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Transmitter tech opens the door to underwater radio
It's easy to take modern wireless communication for granted above ground, but it's useless in areas where the signals can't propagate, like underwater or in caves. DARPA might have a better way: its AMEBA (A Mechanically Based Antenna) team is developing portable ultra-low-frequency (1Hz to 3kHz) and very low frequency (3kHz to 30kHz) transmitters that could penetrate materials like water and stone with basic data. Scuba divers could send text messages to each other, for instance, while search and rescue teams could still contact the outside world while they're in tunnels.
Chotto Shot pictures, videos & impressions [m]
The PSP camera, with Chotto Shot, is now available in Japan, and for import buyers. PSP GadgetZ has some really great pictures of the camera, packaging, and more importantly, pictures taken with the peripheral. According to a translation by PSP-Vault, "He says that the diagonal lines are pretty bad, and that at low light levels, there is a lot of noise in the images. He's also a bit annoyed that you need to remove the camera to transfer data to your PC." The image quality is apparently not too great, but I guess that's expected from a device that costs $50, and not hundreds.Read on to read more about the PSP's new camera accessory.
