26 February 2024

Wood Burning

Tools for Possibilities: issue no. 75

Once a week we’ll send out a page from Cool Tools: A Catalog of Possibilities. The tools might be outdated or obsolete, and the links to them may or may not work. We present these vintage recommendations as is because the possibilities they inspire are new. Sign up here to get Tools for Possibilities a week early in your inbox.

Best advice for wood heat

Woodburner’s Companion

If you burn wood for heat, read this book. I was amazed at how much I learned, and I’ve relied on wood heat for a number of long winters. Read it twice if you are just thinking about burning wood. It’ll help you sort out whether you want a furnace, or stove; pellet or logs; masonry or metal, buy wood or cut it yourself, and so on. This is first-rate advice, pithy and to the point, up-to-date, well-written and insightful. The author is a professional chimney sweep and his instructions on how (and why) to clean your chimney are worth the price of the book alone. — KK

Does it make economic sense, then, to heat your home with wood? Yes, if you have more time than money, and yes, if you enjoy the work and ritual unique to this form of heat. Burning wood fits some ways of life in the same way that vegetable gardening and livestock raising do: it also saves money, but the savings are almost incidental to the satisfaction it can provide.

  • Is heating with wood ethical? It may not be if you live in an area plagued by air pollution. It probably isn’t if you live in an area with little forested land. It isn’t if you harvest and burn your wood irresponsibly. If, on the other hand, your circumstances permit and you decide to become a responsible user of the resource, wood burning can be an integral part of a contained and conserving way of live with positive ecological impacts balancing the negative.
  • Wood as the Primary Source of Heat This strategy will fit a few more households than the first: you’ve got a back-up heating system, so you have more flexibility. Your stove won’t completely run your life six months a year, but you’ll probably burn nearly as much wood as will those in the first category, so your house, location and lifestyle need to be nearly as accommodating.
  • Wood as Supplementary Heat Even if your circumstance make major reliance on wood heat impractical, you might find that a stove or fireplace stove which heats part of your house some of the time will give you substantial savings on your fuel bills and a good deal of pleasure and comfort in the bargain.
  • Wood as an Emergency Back-up Heat Source I mentioned the catastrophic ice storm of 1998 earlier, but even the lesser power outages to which rural areas are prone can be uncomfortable or even dangerous in severe weather. A just-in-case wood stove and a small supply of wood can turn a wretched situation into a merely inconvenient one.
  • Masonry Heaters Instead of a round-the-clock fire maintained by periodic stoking and control of the air supply–the modus operandi applied to other serious wood heating equipment–masonry heaters rely on very hot fires–at time in excess of 2,000 degrees Fahrenheit–of short duration. Fires lasting only an hour or two heat a masonry mass weighing a ton or much more. The mass then radiates the stored heat for 12 to 24 hours, depending upon the weather. The extremely hot fires result in very clean burns.
  • A well-designed masonry heater, on the other hand, stores and radiates something on the order of 80% of the heat it produces. It does this by directing the intensely hot gases through a series of channels in the masonry mass. By the time the exhaust reaches the top of the chimney, it is almost cool, having left its heat in the masonry. The smoke does not deposit creosote if the heater is properly operated, because the fire is so hot that the tars and organic compounds are consumed in the firebox.
  • Disadvantages Price. Pellet stoves usually cost more than wood stoves, and the fuel isn’t cheap. As a national average, pellets currently cost about $3.50 per 40 pounds, or $165-$175 per ton. With 1 ton of pellets having the heat value of 1 1/2 cord of hardwood, fuelwood must cost $100 per cord in your area for pellets to be an economical fuel.
  • Keep the chimney inside. Chimneys that are in the house for most of their length stay cleaner, work better, last longer and return more heat to the house than do chimneys outside the exterior walls.
  • If you see 1/4-inch of creosote, you’ll know that the chimney needs cleaning, but the absence of creosote where you can see doesn’t mean that there’s none elsewhere.
  • Detection of a chimney fire is not usually a problem. It will likely announce itself with a prolonged roaring noise, smoke and odor in the house and thick, dark smoke and/or sparks and flames coming out of the top of the chimney. Some chimney fires are not so dramatic, probably because they haven’t enough fuel or oxygen to really take off, but all chimney fires are potentially destructive and should be taken seriously. To people who regard them as a harmless way to clean a chimney, I can only say that physicians used to bleed people who were ill, too; all of the available objective evidence indicates that both practices are foolhardy.

Fire bellows poker

FireDragon Bellows

I’ve been using the FireDragon for the past five years to quickly and efficiently get my woodstove burning. It allows me to get a fire started using a minimal amount of tinder and kindling, and without any other firestarters. This is one of those simple, good ideas. You blow into the FireDragon to shoot a directed, bellows-like blast of air into your fire, creating a supercharging effect. This helps get larger chunks of wood to ignite and burn steadily when lighting a fire or adding a new log to a fire that isn’t burning well, and it can return a smoldering fire to blazes with a few puffs.

It’s basically a 3-foot long steel tube with a brass mouthpiece (that makes me think of a flattened trombone mouthpiece) and a forked end that can serve as a fire poker, log re-arranger, and coal raker. The manufacturer says they got the idea from Civil War soldiers that would take the barrels off their rifles and blow through them to fan their campfires.

Now I find I want the FireDragon any time I’m around a fire, so it goes along camping. It is plenty sturdy. No moving parts, and easy to use. — Brent Inghram

Automatic wood heating

Wood Pellet Stoves

Wood pellet stoves are an alternative way to heat a home. The stoves use wood pellets, which look exactly like rabbit food, and are made out of dried recycled compressed sawdust from lumber mills that otherwise ends up in landfills. They were invented in the 1980s and were popular for a while then declined some in the late 90s but since 9/11 have made a big comeback. The industry for stove manufactures, pellet distribution and stove technology has greatly matured and is nationwide.

Wood pellet stoves have a number of advantages over normal wood stoves. Because the stoves are so efficient, there is almost no smoke or creosote produced, in fact the exhaust is barely even hot so the stove doesn’t need a masonry chimney and can be installed anywhere a tin metal liner can be put in, either directly into the roof, or sideways out a wall. They can be stand-alone stoves on legs in the corner of a room, or chimney inserts using an existing chimney. Unlike wood stoves, pellet stoves work well in urban environments because of little exhaust and no need for a chimney and can be installed in any room.

The pellets come in 40 pound plastic bags, about the size of a mulch bag, which makes transport and storage a snap compared to dealing with cord wood. A fully automated stove requires filling up with the pellets and turning on; the stove does the rest: it automatically lights, automatically feeds the pellets into the flame with an auger, automatically adjusts the rate to keep the room at a pre-set temperature with an electric thermostat. At the low setting I can go 76 hours on one load in my Harman stove, which is a fireplace inset so it is limited in hopper size. There are other stoves that have bigger hoppers. Indeed there are pellet furnaces that can hold weeks worths of pellets and heat an entire central heating system.

A 40 pound bag of pellet wood produces less than a cup of ash so it rarely needs to be emptied (keep the pellet hopper and ash tray size in mind when shopping for stoves). I need to vacuum the ash pan in my Harman stove after burning fifty 40lb bags –about every two months during heavy use.

Typically they are sold by the pallet, which is 50 bags or 1-ton, for $120 to $200. You will need storage space and some brawn. How much you use will depend on the stove, season, comfort level, space, etc., but the general recommendation is 1 bag of pellets a day. In my experience it can be much less than that based on your comfort level and weather and time at home. Wood pellets can be found at most hardware stores around the country including Home Depot, Ace, etc. Pellets come in 3 grades, depending on ash content (less ash the better), the higher grade pellets are hardwood while the lower grade is pine, most of the major hardware chains sell the middle grades.

The stoves require electricity to run so if you lose power it won’t work, which is a notable drawback, although there are solutions such as a generator or battery back up. I personally have a long extension cord to an inverter in my car in the driveway in case of a heating emergency.

Pellet stoves range in price from $1200 to $3000. Harman is way ahead of the game with computerized sensors and controls and is the brand I recommend. The stove I own is Harman’s Accentra Insert, and it was $2800 installed complete.

Are wood pellets cheaper than gas or oil? Probably not, although they may be in some areas, but there are environmental “costs” to consider. — Stephen Balbach


25 February 2024

Future of Space/Disk Prices/Oldavista

Recomendo - issue #398

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Future of Space

I have been researching the state of space technology, and the current ambitions of various countries and companies for space exploration and settlement. By far the best source for official plans, programs in progress, and technological breakthroughs has been a stellar YouTube channel called The Space Race. It’s fun, visual, clear, insightful, succinct, and highly informative. Its back list of hundreds of videos have answered all my “future of space” questions. — KK

Hard Drive Shopper

Disk Prices is a bare-bones, text-only website lists the prices of hard drives, solid-state drives, and USB drives available on Amazon. It’s a superior way to search for storage compared to searching directly on Amazon. — MF

Old Internet Search

Oldavista is a search engine that retrieves results from the “internet of yesterday,” sourcing from archived personal web pages such as GeoCities, AOL Hometown, Angelfire, and others. It’s modeled after the now-defunct AltaVista and scraped from the Internet Archive. I love the nostalgia exploration! — CD

Diversion Safes

Diversion safes look like everyday items, ranging from clocks to hairbrushes. They come with hidden compartments that are perfect for stashing money, USB drives, and other small valuables. The variety available on Amazon means there’s a style to blend into any room seamlessly. Here’s one built into a soap dispenser. — MF

Industry secrets 

Someone on Reddit asked, “What industry ‘secret’ do you know that most people don’t?” and I wish I had time to read through all the thousands of comments. Many of the revealed secrets are what you might expect, like disinformation, uncleanliness, and high markups, but some are truly frightening! Below is a sample of the top-voted secrets: 

  • “Are we still connected?” most times will get an immediate response from online chat agents.
  • I’m an academic researcher and I can speak for a huge number in my field when I say: If you want access to our studies and they’re behind a paywall, you can email us and we will send you the study.
  • Trained artist here. Most oil paints are made with very toxic substances, as are most paint thinners and mediums. Every single one of my teachers was either very sick (Cancer, Ménière’s disease) or a bit crazy (eating chalk, licking pallettes). All incredible artists I was privileged to learn from. One lesson I learned very well: I wear gloves and sometimes a mask when I paint.
  • Worked in online community management and social media for years – Admins CAN read all of your PMs. Private only means private from the masses, not from administration, we had to be able to read them to check reports of abuse, grooming, illegal activity etc. 
  • I make wildlife films for big streamers and broadcasters. The sound is all either library or foley.The last one has ruined nature documentaries for me. — CD

Fraud Alert

If someone is calling you to alert you to fraud, nine out of ten times they are themselves the fraudster. These days fraud-alert fraudsters are sophisticated, and they may know information about you like your SSN, address, etc., and are playing a long game not asking for money at first. Warning signs: they prohibit you from talking to anyone else, and you can’t hang up, or call back. This very long account, How I Got Scammed Out of $50,000, by a very savvy financial advice columnist who got scammed by so-called fraud investigators has all the elements of the common tricks. It matches exactly with close friends who have been scammed. Yes, it can happen to you. Learn from others’ mistakes. — KK


22 February 2024

Bali Tourist Tax/High-capacity Charger/Worst Airport Uber Premiums

Nomadico issue #92

A weekly newsletter with four quick bites, edited by Tim Leffel, author of A Better Life for Half the Price and The World’s Cheapest Destinations. See past editions here, where your like-minded friends can subscribe and join you.

Bali’s Tourist Tax is Live

Valentine’s Day showed no love for foreign visitors in Bali: you’ll now need to pay US$9.60 to enter the once-bucolic, now-crowded island as of yesterday. As this article notes, they’re not alone: taxes that will reportedly be used to offset the damages from overtourism are planned or implemented already in at least five other destinations, some levied specifically on cruise ship passengers. Meanwhile though, Turkey dropped its visa charge for U.S. travelers this year.

High-capacity Gadget Charger

Small travel chargers are convenient, but they typically get your phone to 100% just once or twice before running out. This POWERADD Pro charger I took on my last two trips is heavy, but its 65 watts and 20,000 mAh stats delivered 5 full phone charges or 3+ tablet charges at high speed before running out. It can supposedly charge up a Macbook to 50% in 30 minutes. Ideal for places where outlets may be scarce, when on the move all day, or when going off the grid for a while.

Dubious Digital Nomad Visas

The new year has brought more announcements on the digital nomad visa front, though the appeal may be limited. The one for Japan requires $68K in annual income (which will rise when the yen does) and the Korean one requires $66K, plus that one is only for salaried workers with great insurance, not company owners. Read the details before making plans when you see these giddy announcements taking off in the media.

The Highest Airport Premiums for Uber

You’ve probably already experienced this: your ride from the airport with Uber costs far more than the ride to the airport when you return. To gain access, Uber often pays hefty fees to the airport authorities, which is passed on to you. This study highlights which airports are the worst and the #1 spot goes to Santiago, Chile, with a premium of 203.5%. Others where the fare is at least doubled are 3 in Australia and 4 in the USA, including Orange County (CA) and Boston. The worst in the UK was Gatwick (UK) at 70.3%.


21 February 2024

What’s in my NOW? — Adam Hill

issue #168

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Adam Hill (He/Him) is a dad who loves science, cooking, math, engineering, skepticism, espresso, and politics! He has been a teacher, an engineer, and now a software business analyst. Curiosity now and forever!


  • Burley Bee Bike Trailer – This is our family’s second car – it has room for 2 kids and plenty of groceries! I pull it behind my ebike, and it is safe and lightweight.
  • Nanofoamer Pro – easy foamed milk for cortados. Jut got my Kickstarter model, and it outperforms other foamers while also being able to do tiny amounts of milk, perfect for cortados and piccolo lattes. Issue #151 featuring Ben Reuter already mentioned my espresso maker – the Flair, though I have the Pro 2 model. With these two things + a hand grinder I can make home drinks better than any big machine, with a tiny countertop space.I recently got an organizer so my espresso setup looks pretty nice 😊
  • MagSafe wallet – I kept forgetting my ID on the rare occasions I drive. Now, I always carry my two most important credit cards, my ID, and an emergency $20. My big wallet stays behind 95% of the time, and my butt + posture thank me for it!


  • Eat Your Books – an online cookbook index. If we want to cook a type of recipe or use a particular ingredient, we can search our cookbooks (and a few favorite blogs) and see ingredients. It’s so nice to actually use the older cookbooks that aren’t on the top of our minds, and we can plan a week’s meals without pulling too many books off the shelf. It’s just an index though – you still need the book for the full recipe if the author didn’t publish it on a blog. Free account worked for a while, but the premium was worth it for us.
  • Mixel – cocktail recipe app. Clean interface, high quality recipes, ingredient tracking. It will tell you based on what you have in your bar what drinks you can make, and it can suggest if there are recipes only missing one ingredient. It says I can buy Orgeat syrup and unlock 51 recipes, or Green Chartreuse to unlock 35. I pay $12 a year for access to all recipes, and since it has replaced buying 2-3 cocktail books a year this is a steal. The free recipes cover all the basics, and the quality of the recipes is quite good – very little adjustment needed for my tastes.


  • If it can’t fit on your calendar, is it worth doing? In “4000 Weeks”, Oliver Burkeman suggests that it is surely impossible to schedule reserved time for everything on your ambitious to-do and project lists onto your calendar. This highlights the importance of prioritization – it is much more impactful to decide where to direct your attention and time rather than on increasing the speed at which you complete tasks on a list that is always growing faster than you can complete. I wish I could teach college-aged me this lesson!

What’s in your NOW?

We want to know what’s in your now — a list of 6 things that are significant to you now — 3 physical, 2 digital and 1 invisible. 

If you’re interested in contributing an issue, use this form to submit: https://forms.gle/Pf9BMuombeg1gCid9

If we run your submission in our newsletter and blog, we’ll paypal you $25.


20 February 2024

Head Lopper / The Disney Book

Books That Belong On Paper issue no. 2

Books That Belong On Paper first appeared on the web as Wink Books and was edited by Carla Sinclair. Sign up here to get the issues a week early in your inbox.


Head Lopper
by Andrew MacLean
Image Comics
2016, 280 pages, 6.6 x 0.9 x 10.1 inches, Paperback

Buy on Amazon

A tale of swordplay, magic, and treachery, Norgal the Head Lopper travels the countryside with the severed head of Agatha the Blue Witch to vanquish the Sorcerer of the Black Bog and rid the land of the Plague of Beasts.

Head Lopper is an action-packed, dynamic, and bloody adventure story of a mighty serpent-slaying swordsman who lugs around the head of a wise-cracking witch, leaving a trail of dead behind him. He battles bat creatures, mega-arachnids, the ghosts of warriors, and the undead giants that devour the ghosts of warriors. Many heads are lopped.

A handy sketchbook details the concepts behind the characters, and a pinup gallery at the back of the novel highlight some covers drawn by noted artists Mike Mignola, Dave Stewart, and Mike and Laura Allred.

Featuring muted colors befitting a dark, cursed land of monsters spread over lively, energetic panels, poetic, Tolkein-esque dialogue, and an epic, Homeric plot, Head Lopper is a funny, exciting read. Hardly a page goes by without swordplay, spellcast, or intrigue. Heroes, villains, and royalty are all run-through with various weaponry, limbs of humans and beasts are amputated, and heads of all styles are decapitated, so those looking for subtlety should probably look elsewhere. Those looking for a ripping adventure are in the right locale.

– SD


The Disney Book
by Jim Fanning
2015, 200 pages, 9.2 x 0.9 x 11.1 inches, Hardcover

Buy on Amazon

The Disney Book bills itself as “A Celebration of the World of Disney,” and boy oh boy is there a lot to celebrate. Essentially an all things Disney history book, in here you can find a complete timeline of Disney’s creations, starting from Walt’s first work at a newspaper all the way up to now. The book has three major sections: “Drawn Disney,” including information and images about the animated classics; “Disney in Action,” a history of live action movies; and “Experience Disney,” concerning the theme parks and Disney’s appeal around the globe. If Disney made it, it’s in this book.

Content within these sections is broken up into smaller topics that cover a specific film or time period each. It follows a chronological order, so over time you can see how the Disney brand shaped itself into what it is today. Every page has multiple images of some kind to decorate or add additional information. Pictures are a mix of movie stills, behind the scenes photos, and pre-production artwork. This third category is the most fascinating for me, giving the opportunity to see what an early version of Snow White looked like, or Tinker Bell, or even classic Pixar characters like Buzz Lightyear and Woody. A Finding Nemo storyboard is a particular standout, showing how detailed they can be, even in the early stages of production.

While there are some great factoids that are sure to surprise even the most diehard Disney fans (for example, did you know there was a Stitch anime in Japan? Because I didn’t!) if you’re getting this book for information I would mainly use as a springboard towards other research. It’s a delightful book to explore a bit of Disney history, but it’s encyclopedic in its approach to information, in that it has so much to cover that you aren’t going to get the full story with every topic. The trade off is that the content here is varied enough to please fans of all ages and obsession levels. The production art and behind the scenes photos from so many films, across such a large period of time, is enough to warrant a purchase on its own. If you love Disney, you will love this book.

– Alex Strine


19 February 2024

Tire Care

Tools for Possibilities: issue no. 74

Once a week we’ll send out a page from Cool Tools: A Catalog of Possibilities. The tools might be outdated or obsolete, and the links to them may or may not work. We present these vintage recommendations as is because the possibilities they inspire are new. Sign up here to get Tools for Possibilities a week early in your inbox.

Re-inflates tires on the go

Campbell Hausfeld 12-Volt Tire Inflator

I have a Campbell Hausfeld 12-volt tire inflator that has kicked around in the back of my car for years. I’ve lost count of the number of times I’ve re-inflated a tire with a slow leak, and then gone on my way. The brand isn’t nearly as important as the fact that it runs off your car battery; it has a tire pressure gauge built in, and it has a work light.

Small 12-volt compressors like this run from between 15 to 30 bucks new, and will do a fine job of re-inflating tires or rubber rafts or volleyballs.  Most compressors come with attachments that will do all of these things.  In my case, we often travel on industrial roads that lead to the local dump, so we tend to pick up more than our share of nails and screws. My little compressor has lasted through several cars and many tires. — Amy Thomson

Flat prevention and repair


Yes, this little thing really will fix your flat. Even huge pick-up and SUV tires. No need to jack up. Just press the nozzle — whizzzz — and it repairs and re-inflates your tire. You definitely should carry one in your car or truck. At $8 it is cheaper than getting your tire repaired at a shop.

But that’s not the best thing it offers. This amazing can of stuff will also PREVENT flats and slow leaks. Fix-A-Flat inserts a complex liquid into your tire. Leaking air instantly polymerizes it to plug up any hole. This magic material is similar to the stuff which keeps bicycle tires intact — see the amazing video in this review. Although I have not used the industrial version of this invention, farmers and the army use a similar compound to keep their gigantic tires going.

This consumer version works great as a flat cure. I need to pump up my treated tires far less often, even the tires with chronic leaks in them, and have had no flats on well-worn tires.

For non-emergency prevention you can buy the sealant in a non-aerosol squeeze bottle, but I found this hard to find in stores. They make a bicycle version which I have not tried yet…* — KK

Optimal source for tires

Tire Rack

Maybe Costco has cheaper tires (I’d have to be convinced) but I suggest you check out Tire Rack online for real bargains on tires. What Costco can’t deliver is the peace of mind that you have actually bought the optimal tires for your car, ones where you have made the correct trade offs regarding handling, ride, quietness, and tread life. And when it comes to your car, these can literally be life and death decisions.

You can’t get this information by looking at a tire. You have to find reviews. So who is actually testing tires for your car? Well, it seems like Tire Rack is; their reviews are both quantitative and qualitative, based on user response. Plus they also do their own direct comparison tests, with different tires put on the same car driven over similar conditions to try to achieve objective, repeatable results. And their inventory isn’t just the mainstream, largest selling tires, but many more specialized, performance-oriented, or just plain excellent but less popular tires.

How, you may ask, do you buy tires online — like who mounts them? They have local tire retailers they work with who will mount your tires for a fixed fee you know ahead of time. Tire Rack ships direct to the retailer; you bring your car and they mount the tires as if you bought them there. Even with shipping and mounting, the cost of Tire Rack tires is competitive with local prices, even discounters.

I’ve bought tires for both our cars now through them. Using their surveys and tests, I ended up deciding on Pirelli PZero Neros, which are definitely not available at Costco, at prices which I believe were completely competitive with more readily available Michelin or Bridgestone brands. The process was entirely painless, from online ordering to final mounting. And the tires have been nothing short of a revelation, changing the handling, ride, and quietness of our cars significantly for the better. — Louis Rossetto

Accurate tire inflator

Tire-Pressure Nozzle and Gauge

I have always hated inflating my tires. It’s always a struggle to keep the inflator nozzle pressed against the tire valve stem while alternating between inflating and checking the tire pressure.

I recently got one of these clip-on tire inflators. It lets me quickly and easily inflate my tires without needing to remove the nozzle to check the pressure. You clip it on, and your tire pressure appears on the gauge. Then you just pull the trigger to inflate. If you over-inflate, you can easily bleed off pressure.

It’s an inexpensive addition to your air compressor and well worth the $9. — Mike Polo

Emergency puncture fix

Tire Plugs

What happens if you’re on a trip in middle of nowhere and you get a flat? You swap to your spare, right? OK, now you are in the middle of nowhere, with no back up. Your only option now is to head to civilization to get your tire repaired, which can wreck a camping trip fast. This weekend I was reminded how few people know about these tire plug kits or how to use them. For under $10 and a few ounces, you can use the same tools that the tire repair shops do. They are available at almost every gas station. You just find the leak (a little soapy water works best) remove the obstruction, rough up the hole with the rasp tool, and push in the sticky rope plug with the other, then re-inflate (which requires a pump of some kind, but even a bike pump will work). This is the same thing they do in the repair shops, but is no harder than changing a tire and sometimes easier as you don’t always have to take the tire off the car (but you will have to jack it up or somehow take the weight off of it). This won’t work for really large blow outs or slashes, but will fix 90% of all tire punctures you encounter and keep your weekend from getting ruined. — Alexander Rose



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Celestron FirstScope

Best beginner telescope

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Better bandage

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Murphy Bed

Next generation of hideaway beds

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Bose QC20 Headphones

Best all around noise cancelling earphones

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Show and Tell #401: Kern Kelley

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Show and Tell #400: Rich Edwards

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Show and Tell #399: Brent Deverman

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21 February 2024


Cool Tools is a web site which recommends the best/cheapest tools available. Tools are defined broadly as anything that can be useful. This includes hand tools, machines, books, software, gadgets, websites, maps, and even ideas. All reviews are positive raves written by real users. We don’t bother with negative reviews because our intent is to only offer the best.

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13632766_602152159944472_101382480_oKevin Kelly started Cool Tools in 2000 as an email list, then as a blog since 2003. He edited all reviews through 2006. He writes the occasional review, oversees the design and editorial direction of this site, and made a book version of Cool Tools. If you have a question about the website in general his email is kk {at} kk.org.

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