The Magdeburg Hemispheres
Make an impressively effective low-tech vacuum pump.
Posted by William Gurstelle
Categories: Education, Fun & Games, Science | No Comments
Marking pen Projects
MonoBox Powered Speaker
MonoBox is a small, inexpensive powered speaker that amplifies the output of your headphone music player. It’s little but it’s loud! All the circuit parts are available from RadioShack. The...
Posted by Ross Hershberger
Categories: Electronics, Music | 69 Comments
Carve a Stone Bowl
Ever thought about trying to make something to last? It’s a hard problem: moths, rust, fire, thieves, and time versus the works of the mighty. Take a walk through an...
Posted by Tim Anderson
Categories: Home, Craft, Tools, Workshop | No Comments
Charlie’s RFID Teddy Bear
This location-aware teddy bear reads RFID tags and plays different customizable sounds depending on where it is or what object it’s near — other toys, books, CDs, anything. Charlie’s Bear...
Posted by David Harris
Categories: Music, Arduino | 3 Comments
Mechanical Image Duplicator
Before Chester Carlson invented photocopying, inventors engineered various mechanical devices to replicate images. With a few everyday items found in the home, you can make a pantograph, an image duplicator...
Posted by Cy Tymony
Categories: Electronics | No Comments
Chladni Plate
Use a broken speaker, bits of wire, and tape to prepare a coneless voice coil driver, then use it to generate standing waves on a sheet of metal, making sound...
Posted by Edwin Wise
The Flame Tube
Fiery devices have always fascinated me. From Jam Jar Jets (MAKE Volume 05) to Fire Pistons (Volume 19) to Faux Flames (Volume 25), I’ve built all sorts of fire-related projects....
Posted by William Gurstelle
Categories: Science, Music | 3 Comments
