Meta-transmitarray offers unprecedented control of light on subwavelength scales
Self-rolled tubes make miniature electronics
Researchers enable robots to see through solid walls with Wi-Fi (w/ Video)
(Phys.org) —Wi-Fi makes all kinds of things possible. We can send and receive messages, make phone calls, browse the Internet, even play games with people who are miles away, all without the cords and wires ...
No-power Wi-Fi connectivity could fuel internet of things reality
Imagine a world in which your wristwatch or other wearable device communicates directly with your online profiles, storing information about your daily activities where you can best access it – all without ...
New 'T-ray' tech converts light to sound for weapons detection, medical imaging
A device that essentially listens for light waves could help open up the last frontier of the electromagnetic spectrum—the terahertz range.
Near error-free wireless detection made possible
(Phys.org) —A new long-range wireless tag detection system, with potential applications in health care, environmental protection and goods tracking, can pinpoint items with near 100 per cent accuracy over ...
When less is more: Fewer proton relays improve catalytic rates
(Phys.org) —By directly comparing three closely related catalysts, scientists at the Center for Molecular Electrocatalysis established that hydrogen production speed and efficiency are influenced by the ...
Graphene nanoribbons an ice-melting coat for radar
(Phys.org) —Ribbons of ultrathin graphene combined with polyurethane paint meant for cars is just right for deicing sensitive military radar domes, according to scientists at Rice University.
Scientists scale terahertz peaks in nanotubes
(Phys.org) —Carbon nanotubes carry plasmonic signals in the terahertz range of the electromagnetic spectrum, but only if they're metallic by nature or doped.
Spirals of light may lead to better electronics
(Phys.org) —A group of researchers at the California Institute of Technology (Caltech) has created the optical equivalent of a tuning fork—a device that can help steady the electrical currents needed ...
Research team develops tattoo-like skin thermometer patch
Researchers find way to measure speed of spinning object using light's orbital angular momentum
Researchers discover way to allow 80 percent of sound to pass through walls
Ferroelectric-graphene-based system could lead to improved information processing
Researchers at MIT have proposed a new system that combines ferroelectric materials—the kind often used for data storage—with graphene, a two-dimensional form of carbon known for its exceptional electronic ...