Homemade Electrocardiograph
Raphael writes in with a follow up to our post about an ECG kit – “I was feeling faint and had to wait two days for a doctors appointment, and I got a weird idea in my head that I needed to have a look at my heartbeat. Paranoiac imaginings were driving me crazy. What would the maker’s natural reaction be? To google search “make own EKG”. I was greeted with this wonderful website! Charmingly written and very informative, it can get you looking at a satisfying wiggly line that means you are indeed alive. Within a day! “ Link.
Kevin writes in with a great video he shot at Macworld with some of the more strange things we 
Aaron writes “Most of us cannot afford fancy 7.1 surround sound systems or feel that we do not utilize the computer’s audio functions enough to reap the benefit of one. However, most of us have stereos. That and a few cables is all you need to enjoy a nice audio system without damaging your bank account. In this article, I will show you an easy way to use your stereo as computer speakers for a nice sound system at a very low cost.” Thanks Star! 
“Bushmail is worldwide Email that works via HF Radio anywhere in Africa. It allows 100-KB Excel and Word attachments and is powered by just a 12-Volt battery, with an antenna that can be suspended from a tree. It requires an HF Radio, HF Modem and an antenna, which can all be installed on an easy Do-It-Yourself basis. Bushmail can also be used in a vehicle, with a Laptop PC being powered and charged from the cigarette lighter plug. It is extremely robust and even works during cyclones and with baboons swinging from the antenna. Bushmail does not allow browsing the Internet, as it is purely just a highly economical Email system. The HF Radio does allow Voice communication as well.” [
Jakob writes “I saw the article on Boffer weapons 
Heyrocker writes “This is a coffee table built from the playfield of a pinball machine. It is pretty easy to build and best of all, it lights up! It was inspired by a bar in Seattle called Shorty’s, which has tables similar to these in its booths.” Complete how-to on Instructables! 
Simon writes “In case of emergency, floor-level lighting will guide you to the exit” – here’s the stairwell lighting my wife and I made from a $1.99 set of electro-luminescent wire we found in a sale bin at Ikea. Originally intended for holiday lighting it gives off enough light to make our dark staircase. It’s a low power way of putting light into places traditional electricians can’t reach…”