News tagged with photo detectors
De-multiplexing to the max: 640 Gbits/second
Feb 02, 2009 |
5 / 5 (3) |
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Sliced light is how we communicate now. Millions of phone calls and cable television shows per second are dispatched through fibers in the form of digital zeros and ones formed by chopping laser pulses into bits. This slicing ...
Search results for photo detectors
Microsoft apologizes for changing race in photo
Aug 26, 2009 |
1 / 5 (1) |
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(AP) -- Software giant Microsoft Corp. is apologizing for altering a photo on its Web site to change the race of one of the people shown in the picture.
Professor finds that iconic Oswald photo was not faked (w/ Video)
Technology / Computer Sciences
Nov 05, 2009 |
3.9 / 5 (10) |
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(PhysOrg.com) -- Dartmouth Computer Scientist Hany Farid has new evidence regarding a photograph of accused John F. Kennedy assassin Lee Harvey Oswald. Farid, a pioneer in the field of digital forensics, digitally ...
Rome was built in a day, with hundreds of thousands of digital photos
Technology / Computer Sciences
Sep 15, 2009 |
3.7 / 5 (11) |
4
(PhysOrg.com) -- The ancient city of Rome was not built in a day. It took nearly a decade to build the Colosseum, and almost a century to construct St. Peter's Basilica. But now the city, including these landmarks, ...
New NIST trace explosives standard slated for homeland security duty
Chemistry / Analytical Chemistry
Sep 09, 2009 |
not rated yet |
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Security personnel need to be able to find explosive materials and persons who have been in contact with them. To aid such searches, the National Institute of Standards and Technology, with support from the ...
Silicon Detector Validated, Moves Forward
Sep 14, 2009 |
3.5 / 5 (2) |
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(PhysOrg.com) -- Two of the three detector design concepts for the proposed next linear collider have been validated by the International Detector Advisory Group, and their conclusions endorsed by the International ...
Physicists Explain How Human Eyes Can Detect Quantum Effects
Sep 29, 2009 |
4.2 / 5 (46) |
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(PhysOrg.com) -- By greatly amplifying one photon from an entangled photon pair, physicists have theoretically shown that human eyes can be used as detectors to observe quantum effects. Usually, detecting ...
Sharp Develops Solar Cell with World's Highest Conversion Efficiency of 35.8%
Oct 22, 2009 |
4.5 / 5 (26) |
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Sharp Corporation has achieved the world's highest solar cell conversion efficiency (for non-concentrator solar cells) of 35.8% using a triple-junction compound solar cell.
Scientists build an 'ice top' at the bottom of the world
May 23, 2007 |
4.4 / 5 (47) |
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The University of Delaware is helping to build a huge "IceCube" at the South Pole, and it has nothing to do with cooling beverages.
Up-scale: Frequency converter enables ultra-high sensitivity infrared spectrometry
Aug 26, 2009 |
4.9 / 5 (11) |
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In what may prove to be a major development for scientists in fields ranging from forensics to quantum communications, researchers at the National Institute of Standards and Technology have developed a new, ...
Planck first light yields promising results (w/ Video)
Space & Earth / Space Exploration
Sep 17, 2009 |
4.8 / 5 (11) |
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(PhysOrg.com) -- Planck, ESA's mission to study the early Universe, started surveying the sky regularly from its vantage point at L2 on 13 August. The instruments of ESA's 'time machine' were fine-tuned for ...
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