Tuesday Tech News
Poster: Aron Schatz
Posted on November 1, 2005 at 2:30:40 PM
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Government in a bind over SHA-1.
Black widow nebula.
Feeling pain? Look at your healthy self.
IFF for ground units.
Government in a bind over SHA-1.
Quote
NIST is weighing two broad options: selecting a newer variant of SHA-1 believed to be more secure, or undertaking the much longer process of soliciting public suggestions for an entirely new algorithm that can be used for digital signatures. (The agency followed the second path before deciding on the Rijndael algorithm, used for data encryption rather than signatures.)
Black widow nebula.
Quote
But NASA's Spitzer Space Telescope used its Infrared Array Camera (IRAC) to peer through the haze. It has captured wispy streams of dust, flowing like spider's legs from the centre of the nebula, where massive young stars are forming.
Feeling pain? Look at your healthy self.
Quote
The result was that the side of the body with the painful arm was hidden from their view and it appeared to the patients as if they had two healthy arms. They were told to concentrate hard on the image and try to believe that what they saw was a true depiction of themselves.
IFF for ground units.
Quote
When a tag detects a radar pulse, it adds data to it and then sends it back, he explains. "That added data is what allows the radar to identify the tag as a friend." When the aircraft radar receives the signal, it adds an icon to the pilot's display which identifies the object as a friendly vehicle.