Have you wondered why some sunsets are so spectacular and others so drab? This ultra-sensitive photometer project will allow you to tease out the secrets of twilight and even do serious science by finding the altitude of the dust, smoke, and air pollution that influence the colors of twilight.
Take amazing high-magnification photos with your own phone and the lens from a cheap laser pointer.
A good sturdy zipper can provide years and years of service, but usually the zipper pull is the first part to break.
In this project, I am going to show you how to make a tripod mount for your small solar panels.
In this project the Raspberry Pi with the PiCam is used as a wireless camera which can transmit images over long distances, usually hundreds of meters!
How to solder using random objects that you might find lying around
As timber doors go you cannot get much simpler than a ledged and braced door.
Normally lurking unseen inside stereo systems, the digital potentiometer needs no adjustment, because it adjusts itself. Its fluctuating resistance can change the color or brightness of a light, the loudness or frequency of a sound, or any other parameters that depend on voltage and current.
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.
