科学与环境

Forensic specialists need only one or two facial features to identify individuals

来源: Phys.org - latest science and technology news stories · 发布于

Forensic specialists need only one or two facial features to identify individuals
来源: Phys.org - latest science and technology news stories

Researchers led by Carina Hahn at the National Institute of Standards and Technology (NIST), U.S., have found that forensic specialists in facial identification need only one or two features, such as eyes or ears, to identify a face when looking for a match. Published in PLOS One

Researchers led by Carina Hahn at the National Institute of Standards and Technology (NIST), U.S., have found that forensic specialists in facial identification need only one or two features, such as eyes or ears, to identify a face when looking for a match. Published in PLOS One, the study found that specialists find ears to be the most useful but are capable of adapting when recognizing that another feature might be more beneficial.

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X-ray free-electron laser sets new record for shortest high-energy pulses
科学与环境

X-ray free-electron laser sets new record for shortest high-energy pulses

Researchers at the Linac Coherent Light Source (LCLS) at the U.S. Department of Energy's SLAC National Accelerator Laboratory have measured the shortest high-energy X-ray pulses ever recorded at an X-ray free-electron laser (XFEL). The pulses had photon energies of about 9 kiloel

Phys.org - latest science and technology news stories ·

Astronauts’ hearts just passed a surprising test for Mars
科学与环境

Astronauts’ hearts just passed a surprising test for Mars

A new study tracking 13 astronauts suggests that the human heart may be surprisingly well equipped for a journey to Mars, especially with regular exercise during spaceflight. Researchers found that astronauts' hearts adapted to months of weightlessness and handled simulated Marti

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