![]() | Spray (attack) Hooligans using a Motion Sensor
People cutting through your property Want them to pay the price? One man set up a motion sensor armed with a water cannon to solve the problem. ... |
![]() | Make a Steampunk Nerf Gun
Steampunk=Fitting something out with useless (usually brass) colored parts thatmake the object look way cooler than it previously was...to a Nerf... |
![]() | Hand held DIY Tesla Coil Plasma Gun
The design for this Tesla Coil is based on the larger DIY Tesla Coil project but with the aim of getting a much smaller and portable device. A Power Pulse Modulator circuit is used to drive two small high voltage ignition coils wired together in... |
![]() | Pirate Cannon - Pneumatic Style
Halloween has been a pirate theme around here for a while. I had the sword, I had the treasure chest, I needed a cannon. More than just a prop, this cannon will fire a potato slug a couple of hundred yards. For Halloween we dialed back the psi and... |
![]() | Diy Ping Pong Ball Gun
If you decide to build one of these do it but on your own risk and you shouldn't aim at people or animals. Otherwise...Have... |
![]() | DIY Pneumatic Guns
Yeah...don't ever put your face up to a DIY gun....Things can go horribly wrong. Be very careful if you attempt to build your own. Use caution and have fun. Learn how to build... |
![]() | Make a Water Balloon Trebuchet
This weekend, make a human powered siege weapon. Using a human as a counter-weight and PVC piping for the structure, this catapult can hurl water balloons 100 yards or... |
![]() | Hidden Secrets of the Windows Key
Some useful shortcuts involving the windows key on your keyboard that will
increase your productivity significantly.
Shortcuts
Press "Win key" : Opens Start Menu
Press "Win key+ E": Opens up Windows Explorer
Press "Win key+ R": Opens the Run... |
![]() | Tennis Ball Mortar Launcher
The tennis ball mortar is a great project for many reasons: all the materials are cheap and readily available, its construction is extremely simple, and it gives off a nice loud *pop* which the video doesn't do justice.
Quick and dirty... |
![]() | Reassemble Shredded Documents
Researchers at the Fraunhofer Institute's Production Systems and Design Technology lab have created software designed to take scans of shredded documents and piece them back together. They plan to use the system to restore some 45 million pages of... |








































