CNC & Machining

The latest DIY ideas, techniques and tools for the manufacture of metal, wood, plastic, ceramic and composites. We talk about machining, using a lathe to machine metals like steel, brass, and aluminium. We make chips fly!

Working Iron Man Style Palm Laser Weapon

Working Iron Man Style Palm Laser Weapon

Yes, OK, I know that the weapons in Iron Man’s palms are technically *repulsor* beams, which, at least as I understand them, are a kind of wholly sci-fictional counterpart to the equally sci-fictional “tractor” beam. But this terrifying device from German laserhacker Patrick Priebe, who previously has produced a handheld Nd-YAG pulse laser that will punch holes in, is “working” in the sense that it is a dangerous, if not deadly, directed energy weapon that you can wear on your palm and use to work great evil…

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Arduino Goes to War

Arduino Goes to War

Shown uppermost is the prototype of a handheld artillery spotting device developed as a student capstone project at West Point. The blue board to upper left is pretty clearly an Arduino Mega. You can see, in the near upper corner of that board, where the DC power jack has been desoldered and the pads hardwired to the battery pack. The system, called DemonEye, is now reportedly undergoing field testing.

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Lemon Hand Grenades

Lemon Hand Grenades

I took an aesthetics class in college. One of the assignments was to package a piece of fruit in an innovative way. I bought a miniature pineapple, cut off the flower, and screwed the fuse, spoon, and pin from a dummy hand grenade into the top. I got an A. But then, I think, so did everyone else.

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Giant Machete-Shooting Slingshot

Giant Machete-Shooting Slingshot

I love Cory Doctorow’s droll description of this creation almost as much as I love the thing itself:

This handy gentleman has built an (arguably ill-conceived, but nevertheless impressive) rifle-cum-slingshot that fires machetes, should you find yourself with the need to fire machetes.

The handy gentleman in question is YouTuber Jörg Sprave, slingshot enthusiast par excellence. He blogs about it here. [via Boing Boing]

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