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Articles tagged with: Laser and Itu
Electrosmog on the circuit board
..tial information from bank cards by bombarding them with pulses of laser light, electrical current or voltage. The resulting field patterns can reveal details about the chip card, such as its PIN number. The near-field scanner provides time- an more
Related Tags: radiation, tim, ovi, iden, aircraft, infineon, smart, partner, mp3, nano
Tiny disk-shaped lasers as small as a speck of dust could one day beam information through optical computers. Unfortunately, a perfect disk will spray light out, not as a beam, but in all directions. New theoretical results, reported in the Optical Society (OSA) journal Optics Letters, explain how adding a small notch to the disk edge provides a single outlet for laser light to stream out. more
Related Tags: semiconductor, edge, rim