The museum “Waalsdorp” in the Netherlands has a ton of amazing gear designed for military purposes from the 30’s, check out the listening equipment section – “From the first world war until the 30’s air acoustics played an important role in the air defence. Air vehicles carrying a weapon could not be located from the […]
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 […]
Dimitrios writes – “Having to sort coins each month for my side business, I wanted a quick solution to the trouble of doing this with torn paper, and handwriting the denominations on the rolls. I searched the internet thinking that surely this must be downloadable somewhere, only to find it wasn’t. Sure, you can buy […]
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, […]
