Pair of aluminum atomic clocks reveal Einstein's relativity at a personal scale
Scientists have known for decades that time passes faster at higher elevations—a curious aspect of Einstein's theories of relativity that previously has been measured by comparing clocks on the earth's surface ...
'Microrings' could nix wires for communications in homes, offices
(PhysOrg.com) -- Purdue University researchers have developed a miniature device capable of converting ultrafast laser pulses into bursts of radio-frequency signals, a step toward making wires obsolete for ...
Do-it-yourself invisibility with 3-D printing
Seven years ago, Duke University engineers demonstrated the first working invisibility cloak in complex laboratory experiments. Now it appears creating a simple cloak has become a lot simpler.
Fiber-wireless (Fi-Wi) to provide ultra-high-speed, short-range communication
Scientists examine possibility of a phonon laser, or 'phaser'
Invisibility carpet cloak can hide objects from visible light
New light at the end of the tunnel
(PhysOrg.com) -- An international team of scientists successfully concentrated the energy of infrared laser pulses using a nano funnel enabling them to generate extreme ultraviolet light pulses, which repeated ...
Scientists create first free-standing 3-D cloak
Researchers in the US have, for the first time, cloaked a three-dimensional object standing in free space, bringing the much-talked-about invisibility cloak one step closer to reality.
Physicists mix two lasers to create light at many frequencies
A team of physicists at UC Santa Barbara has seen the light, and it comes in many different colors. By aiming high- and low-frequency laser beams at a semiconductor, the researchers caused electrons to be ...
Meta-transmitarray offers unprecedented control of light on subwavelength scales
Researchers discover way to allow 80 percent of sound to pass through walls
Using lasers to cool and manipulate molecules
Closing the terahertz gap could lead to better nanodevices
Quantum leap for phonon lasers
Physicists have taken major step forward in the development of practical phonon lasers, which emit sound in much the same way that optical lasers emit light. The development should lead to new, high-resolution ...