The free space simulation that lets you explore our universe in three dimensions. Celestia runs on Windows, Linux, and Mac OS X. Unlike most planetarium software, Celestia doesn’t confine you to the surface of the Earth. You can travel throughout the solar system, to any of over 100,000 stars, or even beyond the galaxy. [via] Link. Bonus link- lots of add-ons.
Altoids tins are used! This site features projects and circuits for building stereo microphones from low-cost Panasonic electret microphone capsules. Included are Mid-Side, XY, and Blumlein microphone setups. In addition, there are interesting related circuits and links to sites with microphone information and parts sources. Link.
This website shows how George Goble, an engineer from Purdue University, uses liquid oxygen to go from cold charcoal to a ready to cook state in 3 seconds flat. This website has a neat picture of the ball of fire created by the liquid O2 and a link to an interview with George at the bottom of the page. Link.
You can create a real-time GPS tracker using Google Maps API. Don’t worry about having a GPS device, you can emulate a garmin using GPSGate. Then later you purchase fancy gps devices and JunxionBox. Link.
Here’s a new site that has a lot of information, hacks and downloads for Google Earth. It’s pretty amazing how quickly a community can rally around an application, release a site and publish a lot of good information. If you’re curious about adding your own data to Google earth like photos, check out our HOW TO as well. Link.
Aftermarket cell phone companies alter the electronics of a cell phone to enable you to activate (without ringing the phone) the microphone in the phone, so you can listen in remotely. A company in France is now offering a modified Nokia 3310. I guess it’s a hardware mod that hides auto-answer?[via] Link.
