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Comparing Circular Saw Blades
In this Project Farm video, Todd tests 15 different circular saw blades to find out which ones are the best. He tested blades for performance in ripping 2×4 lumber (before and after striking nails) and compared for performance while cutting through oak and ripping an 8’ pressure-treated 4×4. Bottom line? The Makita blade ($10) was best overall. The Spyder also performed surprisingly well for its $5 price tag (at time of testing), although that price is currently over $12 each, so look for it on sale. Doing a web search, I see it’s available at some e-tailers for under $7.
Cutlist Optimizer
Speaking of cutting things. If you have a woodworking project that involves a fairly complicated cut list, there is a free app called Cutlist Optimizer. It allows you to both organize your cut list to better keep track of all of your pieces and allows you to optimize the parts you can get from your sheet goods.
How to Calculate 555 Timer Frequency and Duration
Ah, the venerable 555 chip. One of the most useful and popular ICs in electronics history. Invented in 1971, released in 72, it remains a go-to solution for a myriad of timer, delay, pulse, and oscillation applications. In this Digi-Key video, they cover the steps for calculating the necessary resistor and capacitor values needed to achieve the frequency and signal duration that you’re after in your project.
The Power of Great Reference Books and Knowing the Names of Things
As both a maker and a word nerd (I edited Wired’s “Jargon Watch” column for 13 years), I’ve always tried to impress upon people the power in knowing what something is called. Knowing the proper name for something allows you to look it up, learn about it, track it down (if it’s a tangible object). In this Adam Savage video, he harps on the same thing. He does so while extolling the virtues of a book he recently discovered and loves, the Backstage Handbook. This visual technical reference is for stagecraft, but most of its contents–divided into tools, hardware, materials, shop math, electrics, and architecture–can be applied to all manner of making. You you get to learn the proper names for all of the tools, hardware, and materials it covers. Magic!
TOYS! StylusReach Flexible Flashlight
Cool Tools has launched a new newsletter called Tools for Possibilities. Every week, subscribers get sent a page from the CT book: Cool Tools: A Catalog of Possibilities. I was tickled to see that the first page I was sent had a review that I wrote on the StylusReach flashlight. The Cool Tools catalog was released in 2013. Nine years later and I still have, use, and love this flashlight. Good tools do that.
Newsletter reader Paco Hidalgo sent this in response to the piece in the last issue on water and baking soda as a CA glue accelerator.
“I first tried the Zip Kicker CA accelerator and found its smell very disagreeable, nauseating, and the spray bottle made it very difficult to apply just a small drop. I later leaned that cyanoacrylate glues “set” (polymerize) by the mere presence of trace amounts of water vapor in the atmosphere. This infographic explains.
“So, I concluded that if that is the case, then liquid water would certainly accelerate the polymerization. I found that just a drop of water from a toothpick or needle onto a blob of the glue does indeed accelerate the setting process. I never heard of using baking soda but that would add a foreign material to the bond. Why do that? [See comment below] There would be no reason to mix baking soda with water since water alone does a good job.
“BTW: A ‘secret’ that I learned from the guy at the counter of a mall hobby shop, is that CA glues will keep indefinitely in the freezer. I think the dry environment prevents the glue from polymerizing. The manufacturers don’t want you to know that so they tell you not to freeze their glues. I keep partial bottles of different types of CA glue, including LOCTITE, sealed inside a ziploc bag in the freezer that are at least 10 years old. I can take a bottle and use it immediately without waiting for it to come to room temp. It is liquid and works just as fast. I wipe the tip with acetone after each use and keep a common pin in the narrow opening so it doesn’t clog.
“I keep all my solvent glues, including Lexel, E6000, and Goop in the freezer too, with the same result. I think the cold environment keeps the solvent from evaporating and escaping from the imperfect seal that normally shortens the shelf life. I keep epoxy glues in the refrigerator. This is enough to prevent them from self-polymerizing.”
[Just to clarify: Baking soda is commonly used by itself as an accelerator, especially in the hobby/modeling communities. Besides being an accelerator, it adds more structure to the join. Large amounts of baking soda can be added to CA glue to create a very hard material. This soda and CA combo as a structural material is common among luthiers repairing bridges and fret boards. It can be sanded, drilled, etc.]
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Cool tools really work.
A cool tool can be any book, gadget, software, video, map, hardware, material, or website that is tried and true. All reviews on this site are written by readers who have actually used the tool and others like it. Items can be either old or new as long as they are wonderful. We post things we like and ignore the rest. Suggestions for tools much better than what is recommended here are always wanted.
Project I’m working on:How Hobbies Change Lives [For over 20 years, I've been fascinated by people who do wonderfully unexpected things in their free time. The deeper I go, the more convinced I become that hobbies, taken seriously, are one of the most underrated forces shaping our lives. And, hey, if you have one (the weirder, the better), I'd love to hear about it!]
PHYSICAL
Piper Warrior plane canvas created froma photo I took: Aviation has a strange way of simplifying life. Up there, excuses disappear, priorities become obvious, and physics remains wonderfully indifferent to your feelings. This canvas, which graces my office wall, reminds me daily that perspective changes everything. Sometimes the solution is not to work harder on a problem, but to gain a little altitude.
Mini Pelican Pin:multicolor and very cheerful, the best companion for any blazer. It was love at first sight. Bold, slightly ridiculous, and impossible to take too seriously, this pin has it all. The wiser I become, the more convinced I become that professionalism and playfulness go hand in hand. Some days a mini pelican on a blazer does more for my motivation than an entire productivity system.
Women Who Run With the Wolves by Clarissa Pinkola Estés: This is one of those books people recommend for years before you finally pick it up and wonder why you waited so long. Thankfully, it found me in my twenties. It is part mythology, part psychology, and part permission slip to trust your instincts more and more and more. And hey, despite the first word in the title, it works remarkably well for all genders.
DIGITAL
TED talk "How Cities Come to Life": It has always amazed me how many people think cities happen by accident. They never do. Every city is a constellation of decisions made by people, for people, or, well, against people. I’ll be honest: I did not want to give this talk. But I eventually realized I couldn’t not give it, especially considering how the pain of poorly designed cities entered my own life. So I went all in and explored why cities shape far more than skylines, what becomes possible when we design them intentionally, and how they can teach us to live better. It still amazes me that I actually did it, so yes, it’s very much in my NOW.
Dear Derek’s new website: I love Derek Sivers’ ability to make complex ideas feel simple. His new website is a reminder that the internet doesn’t have to be noisy, addictive, or poisonous. It can still be thoughtful, personal, and useful. Way back when, he inspired me to make my own website as simple as they make them. Maybe he’ll inspire you, too.
INVISIBLE
Genius is the opposite of expectation.
I wrote this one down at least twelve years ago and haven’t stopped thinking about it since. We tend to associate genius with intelligence, talent, credentials, or achievement. Increasingly, I suspect genius is the ability to see what everyone else overlooks because they are busy looking where they were told to look. It hit me when I realized that some of the most interesting people I know are also the least constrained by expectation.
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