Before homes were electrified, people lived in constant danger of clothing and surroundings catching fire from the oil lamps and cooking fires used in daily life. As the study of chemistry became more rigorous, scientists began to think about how to protect people from this hazard. The person who first delved systematically into the problem was Joseph Louis Gay-Lussac, a 19th-century French polymath.
I decided to build a bigger and stronger version of the helping hands tool using an adjustable floor lamp and some large spring clamps.
I recommend building your own pole-mounted grabber tool.
Jerky is the on-the-go snack that has fueled Native Americans, pioneers, and astronauts alike. And it’s easy to make at home. This method, popularized by Alton Brown, uses an ordinary box fan and air filters to dry the meat.
What better way to show your love this Valentine’s Day than with embroidery and electricity!
With a little practice, you’ll be able to capture and share your own high-quality images of the microscopic world using a cell phone camera.
Thanks to recent scientific advances, you can buy conductive inks in the form of pens, paints, and even printer cartridges, but have you ever wondered if you could make your own?
Crunch! This deliciously snappy, yet fudgy chocolate dip is surprisingly simple to make, and it's even better than store-bought. All you need is gourmet dark chocolate, coconut oil, and a little sweetener. The secret is the saturated fat in the coconut oil, which hardens when chilled.
I always try to find ways to reuse the parts from my old electronics. I had a couple of old keyboards lying around, so I decided to use the keys to make alphabet refrigerator magnets.
Organize your spices in a periodic table (by botanical taxonomy) to maximize potential for clear, scientific, delicious seasoning.
Ouija Be Mine? Here’s an animated pop-up Valentine's card you can make in a few minutes. When you slowly open the card, a hand sweeps across and moves the heart-shaped planchette over the Ouija board, spelling out the message: “HAPPY VALENTINE’S DAY!” It’s both mysterious and romantic, perfect for any secret admirer to make and send.
How you can use a Joule Thief to charge batteries with low-voltage power sources.