RSS
Make Photo pool Flickr member Mariusm posted..."I followed Geoff Johnson's instructions and discovered that the back of $5 and $20 bills (but not $1) has an interesting security feature..." Check out the weird photo!
IR Web cam in action!
Make Photo pool Flickr member Mariusm posted..."I followed Geoff Johnson's instructions and discovered that the back of $5 and $20 bills (but not $1) has an interesting security feature..." Check out the weird photo!
Posted by Phillip Torrone |
Mar 11, 2005 05:43 AM
|
Permalink
| Comments (0)
| Email This |
| Digg this!
Recent Entries
- 3D renderings of the Mandelbrot set
- New in the Maker Shed: Microbe Motel kit
- Science through graphic novels
- Tiny solar-powered brass engine in a wineglass
- Maker Shed kiosks at Fry's
- New hackerspace in Chicagoland: Workshop 88
- Mint tin electronics dev kit packs the essentials
- Olympus BioScapes competition winners
- Mac mailbox
- LHC tweets its first circulating beam of 2009
Leave a comment
Subscribe to MAKE Magazine!
Subscribe today, save 42% and get web access to MAKE free. MAKE Digital Edition is available only to subscribers.
$34.95 / 1 year
(4 Quarterly Issues)
