On 24 and 25 January 2008, HacDC, a hacker space located in Washington, DC will be holding a RepRap build-a-thon in conjunction with the Baltimore RepRap User's Group. The build-a-thon starts at 10:00am EST5EDT on Saturday and will run until 3:00pm EST5EDT Sunday.
The RepRap is an open source rapid prototyper which is unusual in two ways: first, it is affordable for the home hobbyist to both construct and operate (typically, it costs $500us to build a RepRap from scrach, compared to the $49,000+ that industrial rapid prototypers cost). Second, the RepRap is capable …
Something that a lot of people might not know: Radiation detection equipment is being deployed more and more in government facilities and major public events (such as the Superbowl) to detect people that might be carrying radioactive materials or even nuclear weapons (the latter is highly improbable for many reasons, most of which have to do with how heavy fissile materials are and the requisite size of nuclear warheads). The reason this is now known is because radiotherapy patients are tripping those alarms in public and are being questioned as a result. Geiger counters are in use at this time …