a great video tutorial
:D :D :D
this is awesome :D
"Solargraphs"
i'm trying this with a set of blades. 2x20 strokes before use and alcohol afterward.
so far they have lived 3x as long as usual. they don't stay as sharp as new, but are perfectly fine :)
so far they have lived 3x as long as usual. they don't stay as sharp as new, but are perfectly fine :)
i like the stepper motor idea a lot.
there are at least a couple of them in every discarded ink-jet printer :)
there are at least a couple of them in every discarded ink-jet printer :)
re-using fluorescent bulbs is clever... if somewhat dangerous
cool, and that last paragraph gave me a laugh
thanks to ar0cketman
good use of standard parts
nice video: how to build a "rocket stove", an efficient insulated one-pot cooking stove
tacky? no way... this diagram has class :D
it's Evil Mad Scientist Labs' 2 year anniversary! join me in congratulating them... and visit for a great year's roundup of mad science projects.
hmm, i like the idea of making soap at home
it's a working ac motor made out of foam :D
this guy is hilarious. actor matt frewer, thaaat's who this guy reminds me of :)
Solar Rotary Stirling Engine made from soda cans
cool homemade electric go-kart... but i feel sorry for this guy's neighbors
a *very* interesting design... i like the virtual ground & capacitance multiplier power supply noise-reduction
great DIY idea
$100 DIY Scanning Tunneling Microscope? Maybe! I really like the "Disk Scanner" piezo-disc hack this uses, in any case.
6 tiny homemade electrical generators, including a neat piezo experiment
"Low-Cost Audio Delay Line Uses 1-Bit ADC"
neat idea, and very cheap :D
neat idea, and very cheap :D
a moldable, machinable cermoplastic
looks like a good use for a spare satellite dish (maybe you can get one on craigslist, like i did)
Manufacturer of electronics project boxes and accessories.