Inside Martor’s Ultimate Utility Knife
Superior German Utility Knife
Tools:
Martor Secupro 625 Safety Knife
Harbor Freight 3359 Retractable Utility Knife
09/2/19(Cool Tools has a YouTube channel with many more tool reviews — editors)
Tools:
Martor Secupro 625 Safety Knife
Harbor Freight 3359 Retractable Utility Knife
-- Sean Michael Ragan 09/2/19(Cool Tools has a YouTube channel with many more tool reviews — editors)
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Tell us what you love.The very best chemistry experiment book for kids is the legendary and long-out-of-print book, the Golden Book of Chemistry Experiments. Published in 1960 during the heyday of home chemistry, it was meant to accompany the millions of chemistry kits that were sold each year to typical American kids. You got real experiments with real chemicals. Not like the so-called chemistry sets today which boldly (and insanely) advertise they contain “No Chemicals!”
Among many other things, the Golden Book of Chemistry Experiments told you how to make chlorine gas from bathroom supplies, hydrogen from flashlight battery parts, and rayon from scrap paper, etc. You can see why it was not reprinted in the decades following because of concerns about safety. I used my copy, which is now worth $200 on eBay, to do all the experiments in the book when I was 12, and went on to build a chem lab in my basement. As many kids did.
You can get a decent free PDF version of the Golden Book on BitTrorrent. Even better, there’s a new great book for home-made experiments, updated for today: the Illustrated Guide to Home Chemistry Experiments from the tech publisher O’Reilly. The Illustrated Guide to Home Chemistry Experiments is aimed at home schoolers, high school students, and lifelong-learning adults. It is aptly subtitled “All lab, no lecture”
The Golden Book encouraged playing around with molecules, with no agenda beyond demonstrating the power, principles, and diversity of chemical reactions. The Illustrated Guide on the other hand is a basement laboratory manual meant to teach you the basic working principles of chemistry. How to mix a molar solution. How to titrate. How to do quantitative sleuthing. It claims that if you go through all the chapters you’ll be prepared to pass the college-level AP Chem Lab test. You would also be able to work in most laboratories. And of course, you would probably be able to follow most chemistry recipes from the internet, or at least to figure out what you need to make something chemistry-wise.
At the very least, this book should help cure any hysteria you — or your kids — might have about CHEMICALS. Sure, they can be dangerous, like your car. But we are surrounded by chemicals, and the only way to understand their real risks is to mess around with them.
Illustrated Guide to Home Chemistry Experiments is a fantastic teacher for chemical literacy. It will show you or your kids how to work with chemicals, and why they are fun. Some of the experiments are visually entertaining. Others are scientifically important. It’s got wise advice about the few bits of equipment you’ll need for your lab. The Illustrated Guide very handily provides substitutions for ingredients whenever possible, so you can work around harder to acquire or expensive chemicals and gear. And it very conscientiously gives proper disposal instructions for substances at the end (the first I’ve ever seen in a chem book). The author is thrifty, using no more stuff then necessary, and always suggesting ways to purchase the minimum equipment.
Other than the hidden Golden Book of Chemistry Experiments, there are simply no other decent books for the beginner chemical experimenter. The ones you find in libraries are simply useless trash. The stuff on the internet is haphazard and inconsistent. Follow the instructions here in the Illustrated Guide to Home Chemistry Experiments and you’ll be on your way to chemical literacy. — KK
his is the best source for buying small quantities of chemicals — always a challenge in these days of chemical hysteria. Elemental Scientific will sell to individuals, online, with no paperwork or license needed. They have a very respectable selection of about 300 reagents and compounds. More than enough for most educational purposes, or for most basement experiments. You can purchase all kinds of acids, corrosives, poisons, explosives and dangerous stuff that you can not get elsewhere — but only in small quantities. That’s fine, because a small amount is often all you want for doing experiments, and many chemical supply outfits will sell only larger quantities if they sell to you at all. Elemental also offers glassware, lab equipment, and general experimental paraphernalia. They cater to homeschoolers and hobby experimentalists. If you’ve ever tried to buy chemicals elsewhere you’ll recognize what an incredible resource this place is. Most chemicals will be shipped UPS, but a short list of 18 especially hazardous chemicals need extra hazmat protection, which is an added charge. — KK
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