randombytes.net

Router & Cable Modem Power Cycler - Mine used to freeze up for no reason about once a month, so I made this.
High Impedance Amplified Telephone Line Tap - A minimally invasive phone line tap.
AC Line Voltage and Current Monitor - A simple and low cost line monitor that is fusible and switched, for use in repair and experimentation (especially useful in conjunction with a Variac). This page also details one way I go about making project enclosures.
Power Supply for the SSY-1 Nd:YAG Laser - A power supply made from spare parts for a pulsed Nd:YAG laser.
Clifford Qubit Emulator - An inexpensive device that mimics the behavior of a single qubit.
Guitar Pickup Switcher - Allows you to connect 3 pickups in any possible configuration. I finished designing it, got all the parts, but never ended up making it. If you have any interest in making this, let me know, I would be interested to see (and hear) how it turns out.

Homemade Light Bulbs - Homemade incandescent lamps.
Homemade Light Bulbs (failed initial attempts) - My first two attempts at making a homemade incandescent lamps, before I knew the right way to work with lead glass.
Homemade Triode - My first attempt at making a crude triode.
Iodine Bulb - An incandescent lamp with iodine inside the bulb.
Indium Solder Glass to Metal Seals - Using indium solder to make vacuum tight seals to glass.
Leak Checking - How to leak check vacuum devices before permanently sealing them off.
Scientific Glassblowing Resources - Sources and links for tools, materials and information.

Homemade Ion Traps - Simple to make homemade ion traps which will trap charged particles of dust in air.
Refrigeration Compressor Vacuum Pump - A very low cost vacuum pump capable of vacuums of a few tens of Torr, made from readily available components.
Personal Beverage Cooler - A refrigeration device for cooling a single beverage as fast as possible.

Picking Medeco Locks - A technique I came up with using ordinary tools that proves quite successful.
Decoding Targus DEFCON CL Locks - How to easily decode the popular laptop lock in under a minute, with no tools of any kind.
Decoding Unscrambled Master Combination Locks - ...and similar dial combination padlocks.
Digital Lock Sequence Enumeration - Counting the number of possible sequences to a lock when the digits used are known from wear and tear.

Automatic Backups in Linux/UNIX - My method for file organization and backups in Linux/UNIX, utilizing snapshot style backups and remote mirroring, including sample scripts.
Comparing Non-Identical Audio Files for Duplicate Content with Cross-Correlated Fingerprints - Finding audio files with duplicate content, when the location of the content differs.
Streaming Music Over HTTP - How to stream your music over the web to most media players, including a sample Linux/UNIX script for generating playlists.

My Workshop - Where I do everything!
How a Wimshurst Machine Works (PDF) - How a Wimshurst machine generates high voltages through electrostatic induction and mechanical energy.
The Basic Physics of Gyroscopic Hand Exercisers (PDF) - The basics of how gyroscopic hand exercisers such as the Dyna-Flex, Powerball, and DynaBee work.
Penny Removal - How to remove the penny from those small glass novelty bottles, without damaging or modifying the bottle.
My First Schematic - The first schematic I ever drew.