02/06/2005

Eastern Montana's B. rex now yields female bone tissue

It’s a girl … and she’s pregnant! Paleontologists at North Carolina State University have determined that a 68 million year-old Tyrannosaurus Rex fossil from Montana is that of a young female, and that she was producing ...

Shadow Technique Improves Measurement of Micro Holes

Sometimes seeing a shadow can be as good or better than seeing the real thing. A new measurement method* developed by researchers working at the National Institute of Standards and Technology (NIST) is a case in point. The ...

Record efficiency photon detectors for quantum cryptography

Sensors that detect and count single photons, the smallest quantities of light, with 88 percent efficiency have been demonstrated by physicists at the National Institute of Standard and Technology (NIST). This record efficiency ...

Space Telescopes Sharpen View of Deep Impact Target

On July 4th, the University of Maryland-led NASA mission known as Deep Impact will get its one and only shot at its target, comet Tempel 1. Maryland astronomer Michael A'Hearn and his mission colleagues anticipate a hit ...

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