Earla writes – I made a Hilsch tube in my shop this weekend. It’s quite impressive! With just a little experimentation, at 80 PSI. the temperature is 17 Degrees on one end and about 70 degrees on the hot side. The pipes are 1/2″ PVC. The center hole where the vortex is formed is 11/32″ […]
The Harrison Instruments site ain’t too much to look at, but they do have the biggest selection of Theremin kits I’ve ran across. A Theremin is one of the first electronic instruments, it uses radio frequencies to make noise as your hands get closer to it… Link. Theremins galore!: DIY RCA Theremin Replica – Link. […]
Russ writes – Another one of my USB drives broke, so I made a very small aluminum case for it with #0-80 hex screws. I’m looking to get it anodized, so if any MAKER has a suggestion, comment here! Aluminum USB drive project Link. Related: DIY Home aluminum Anodizing for a hobby – Link. Anodizing […]
Here’s a pretty good DIY alternative to AppleTV, Jkx@Home write – This year, for my birthday I have a very nice Media Player M3100. This stuff is really usefull, no need to use a noisy computer to watch recorded Divx. It’s pretty kool to watch films from beds you know.. The only issue: I need […]
Dale (MAKE’s publisher) has a great post on Radar about Paul Lauterbur (MRI inventor) hands-on discovery, and hacking away… Paul Lauterbur, the father of magnetic resonance imaging (MRI) technology, died in March. MRI machines are widely used to examine physical tissue in the brain and other parts of the body. The Economist has a well-written […]
I was listening to Science Friday and the next in a series of X prizes is now asking for folks to review their competition guidelines, the competition? Go 100 miles on a gallon of gas. This one seems pretty approachable for more people I think — We’ve had posts about homemade 100 mpg+ cars. The […]
Sean writes – I saw the post on Mobius Chess, and thought I’d point you towards Schrödinger’s Pawn, a chess variant based on quantum mechanics. This is another game that would be challenging to build in the real world (though possible, with a couple of web cams and a video mixer). DD37: Schrödinger’s pawn – […]
