Cut Sheet Metal With Your Homemade Laser

co2 lazer

i recieved an email from owen the other day:

fellow hackologists may be interested in a year and half long project of mine to build a computer controlled sheet metal cutting system. It uses a 100 watt CO2 industrial laser.

there are some videos on his site showing the co2 laser milling machine in action. it’s absolutely fantastic. just the control system itself is pretty intense. if you are interested in doing something like this, you should also check out his blog that chronicled the whole contruction.

i’m pretty sure i need one of these.

update: apparently i can’t spell (thanks pedant). i was thinking it was z for zippy.

Solar Death Ray

solar death ray

you know summer is coming when hackers start crawling out from winter hibernation, desiring nothing more than to burn things.  not satisfied with a magnifying glass, this project’s author created a 6′ x 4′ parabolic reflector that uses 112 mirrors to direct the sun’s rays at a single point

Rfid Music Player

sid rfid

don’t take off your tinfoil hats quite yet, but just when you thought rfid tags were all about the man wanting to track you, somebody has come up with a more positive application.

dividuum figured that since some rfid tags can store a kilobyte of data, he should be able to gzip a sid audio file and squeeze it onto one of these larger tags.  he then wrote some software for his pc that interfaces with an rfid reader and will play the sid file contained in a nearby tag.  put a stack of cards next to the reader and it will cycle through them like a playlist.

follow the link if you want to download the source or check out a video of it in action.

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Homebrew Helicopter Flight Sim Controls

heli controls

whirlyman sent us a link to instructions for turning a usb flight stick into a realistic helicopter flight control system for use with your favorite flight sim.

steve, the project’s creator, did something really interesting here because his control system externally manipulates the stock ms flightstick.  the stick wasn’t disassembled or altered to connect the realistic controls for the pedals, cyclic and collective.

update: ugh — geocities bandwidth limit exceeded.  for those of you who just want to take a quick look, i’ve added a couple pictures and a link to google’s cache after the break.  let me know if a better mirror exists and i’ll post it.

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Wave Vessel: Audio Visualization

wave vessel

this is really fantastic.  christiana yambo over at censtron wanted to show us how to make a wave vessel — a television-turned-audio oscilloscope machine.

their documentation shows you how to take an old television set and hook it up to your stereo for audio/visual effects the likes of which most people only see in winamp.  a switch on the side of the tv allows you to choose between two visualization modes.

you can see a video of the wave vessel in operation on their site, complete with a ‘you spin me round’ dead or alive soundtrack.  my opinion: pete burns looks much better on the wave vessel.

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Bicycle Wheel Pov

bike pov

here is a slick hack involving a bicycle wheel and a persistence of vision toy.

one thing that’s really cool about this one is there is a second led row that blinks out bitmaps backwards on one side of the wheel.  this lets you print out text messages and have them be readable from both sides.  it appears to work really well — i’m thinking that the author is probably not a republican