mmwilhelm

mmwilhelm graded How to cast plastic parts for puzzle games, giving it an A+. Its average grade is now a B+ 1 year ago

mmwilhelm graded How to get AC current from a nine volt battery, giving it an A+. Its average grade is now a B+ 1 year ago

mmwilhelm commented on How to get AC current from a nine volt battery 1 year ago

This is actually a really good and useful wonderhowto. We used to do this as a way to step up voltages in radios, etc. when we ran them on batteries, via something called a "vibrator". The vibratin... more

mmwilhelm commented on How to build a cheap perpetual energy generator (FAUX-TO), joining the discussion with 11 other people 1 year ago

If people paid more attention in 3rd grade science class, we wouldn't have so many people falling for tricks like this.

mmwilhelm commented on Create perpetual energy - almost, joining the discussion with 11 other people 1 year ago

If people paid more attention in 3rd grade science class, we wouldn't have so many people falling for tricks like this.

mmwilhelm graded How to build a cheap perpetual energy generator (FAUX-TO), giving it an F. Its average grade is now a B 1 year ago

mmwilhelm graded How to do a basic Judo throw, giving it an A. Its average grade is now a C 1 year ago

mmwilhelm joined WonderHowTo 1 year ago

Undulating LED Wave Sculpture

Beautiful LED sculpture made for the 2008 100% Design exhibition in Earls Court. Curious how it was made? Process images below the video. Previously, 24,000 LED Light-Up-My-Dress. LED Wand + RIFD ...

Robot Dance Off Gets Creepy

As November was coming to an end this year, the "6th Robo-One Gate in International Robot Exhibition 2009" dance competition took place. The contenders are just a little bit creepy, to say ...

2009's Most Amazing Scientific Images

Popsci has posted 2009's most amazing scientific images, and there's quite a few great ones in there. A few of our favorites below, click through for all 62. In short, Cow Farts. "Scientists ...

DARPA Develops Explosive Blocking Mega-Shield

DARPA has released footage of the Iron Curtain, a pretty impressive shield system that will protect armored vehicles from oncoming explosives. With $8 million in Army approved funds, DARPA will ...

Big Brother's Watching You (HowTo Un-Google Yourself)

Some think of Google as the ultimate Big Brother, and with good reason. If you use Google (and most of us do), Google potentially has your email history, your complete search history, your travel ...

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