Here’s how to make a fantastic (and simple) AM radio, Grendel – “I just finished making quite possibly the world’s most simple radio. I had read a few HOWTOs for constructing a crystal radio. Some links offered the basic formulas for figuring the specs needed for the coil if you wanted to tune various frequencies. […]
Brunurb writes – “A classic radio used as an iPod Portable Audio System. Hacked this classic radio so that it worked as an iPod boombox. It works with 4 batteries to power the amplifier giving high volume level, ideal for outdoor use. It can also work without batteries with a volume suitable for indoor listening. […]
Nathan made an incredible “Time Fountain” fluorescent drops illuminated by LEDs, he writes – “I suppose it might be called a “Backwards in Time Fountain” or a “Time Manipulation Fountain” but I figured those titles would be a bit long. Using an old battery-powered small fountain as a base, drops are pumped through a brass […]
I have this phone and plan to do this, but it likely works on a lot of photos – the results are really good – [via] – Link. Related: DIY $10 Macro photo studio – Link. HOW TO – Macro lighting rig – Link. Do-It-Yourself Macro lens – Link. DIY Macro photography with disposable camera […]
MAKE Flickr photo pool member Oskay’s son Christian built this electric motor his third grade science project, he writes – “What is a good science project and turns really fast? An electric motor! I built an electric motor for my school science project in third grade. It was fun to build and got a lot […]
Here are a few experiments and projects with sonar to build from Popular Electronics Magazine, September 1964 – Link.
Handy bootable CD if you fix/restore old computers – “You need the Ultimate Boot CD if you want to: Run floppy-based diagnostic tools from CDROM drives. Free yourself from the slow loading speed of the floppy drive. Consolidate as many diagnostic tools as possible into one bootable CD. When you boot up from the CD, […]
