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Rainbow-catching waveguide could revolutionize energy technologies

More efficient photovoltaic cells. Improved radar and stealth technology. A new way to recycle waste heat generated by machines into energy. All may be possible...

Sketch: A self-completing programming system

A system that automatically fills in the gaps in programmers’ code becomes more powerful. Since he was a graduate student, Armando Solar-Lezama, an associate professor...

Dreams of drones: Amazon’s delivery tech almost ready, insurance and regulation...

For Amazon’s recently announced drone delivery system to get off the ground, the company will have to solve numerous difficult technological challenges. Chief among...

3-D images, with only one photon per pixel

Lidar rangefinders, which are common tools in surveying and in autonomous-vehicle control, among other applications, gauge depth by emitting short bursts of laser light...

New hologram technology created with tiny nanoantennas

Researchers have created tiny holograms using a "metasurface" capable of the ultra-efficient control of light, representing a potential new technology for advanced sensors, high-resolution...

Wireless network detects falls by the elderly

University of Utah electrical engineers have developed a network of wireless sensors that can detect a person falling. This monitoring technology could be linked...

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