In the 1997 movie "Contact," Ellie Arroway is a young radio astronomer played by Jodie Foster. Ellie's on a mission to discover alien life, and in one famous scene filmed at the Very Large Array, she sits at the edge of the ...
Astronomy
Dec 9, 2022
1
60
It's why Jaws swam out of sight for more than an hour, and it hints at the glamor of giftwrap. In movie theaters, living rooms, and even labs, the thrill of the unseen can be counted on to keep us guessing. But when it comes ...
Cell & Microbiology
Nov 17, 2022
0
191
NASA has delivered a retroreflector array to ESA that will allow the Lunar Pathfinder mission to be pinpointed by laser ranging stations back on Earth as it orbits the moon. Such centimeter level laser measurements will serve ...
Space Exploration
Nov 10, 2022
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4
Optical indicators based colored polymers are autonomous responsive labels that provide an optical signal to represent a specific exposure over time. Polymers that possess a high degree of order can establish structural color, ...
Polymers
Oct 24, 2022
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19
If an alien were to look at Earth, many human technologies—from cell towers to fluorescent light bulbs—could be a beacon signifying the presence of life.
Astronomy
Oct 21, 2022
2
37
Researchers have demonstrated a new visible light communication system that uses a single optical path to create a multi-channel communication link over the air. This approach could be used as a backup communication link ...
Optics & Photonics
Sep 14, 2022
0
203
A new publication from Opto-Electronic Advances discusses spatiotemporal manipulation of femtosecond light pulses for on-chip devices.
Optics & Photonics
Sep 12, 2022
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9
Engineers at Caltech have developed a switch—one of the most fundamental components of computing—using optical, rather than electronic, components. The development could aid efforts to achieve ultrafast all-optical signal ...
Optics & Photonics
Aug 1, 2022
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1464
The Internet is teeming with highly sensitive information. Sophisticated encryption techniques generally ensure that such content cannot be intercepted and read. But in the future high-performance quantum computers could ...
Quantum Physics
Jul 27, 2022
1
548
Image sensors measure light intensity, but angle, spectrum, and other aspects of light must also be extracted to significantly advance machine vision.
Optics & Photonics
Jul 26, 2022
0
78
