In standard communication the pigeon always carries the message; the information is linked to a physical entity/particle. Counter to intuition, in a new counterfactual communication protocol published in NPJ Quantum Information, ...
Quantum Physics
Jul 23, 2019
0
431
Hospital ventilators shut down, football matches with obligatory water breaks and food spoiling in fridges without power: Iraq's notorious summer has arrived.
Environment
Jun 16, 2019
3
42
Unlike traditional satellite dishes used to pick up television signals, this antenna has to work in space itself. Rather than being clamped to an apartment balcony, it will be installed on the exterior of Europe's Columbus ...
Space Exploration
Apr 03, 2019
0
9
What's the coldest place you can think of? Temperatures on a winter day in Antarctica dip as low as -120ºF (-85ºC). On the dark side of the Moon, they hit -280ºF (-173ºC). But inside NASA's Cold Atom Laboratory on the ...
General Physics
Dec 21, 2018
2
252
Airport security is getting an upgrade. Soon, instead of stepping into cylindrical body scanners and staying perfectly still with hands overhead, travelers will be able to pass through an open-sided scanner that works much ...
Hi Tech & Innovation
Dec 20, 2018
0
5
400 kilometers above Earth, researchers examined waves in complex plasma under microgravity conditions and found that the microparticles behaved in nonuniform ways in the presence of varying electrical fields. They report ...
Plasma Physics
Aug 07, 2018
0
105
A meteoroid exploded over the city of Lipetsk in western Russia last week without warning, lighting up the summer sky with a bright flash. While some enjoyed the light show, others are worried that we didn't see it coming.
Space Exploration
Jun 29, 2018
0
22
A novel optics system that mimics the structure of a lobster's eyes would enable a conceptual Explorer-class mission to precisely locate, characterize, and alert other observatories to the source of gravitational waves, which ...
Astronomy
Oct 26, 2017
0
21
Ocean circulation patterns have a profound effect on global climate. Waves deep within the ocean play an important role in establishing this circulation, arising when tidal currents oscillate over an uneven ocean bottom. ...
Soft Matter
Jun 20, 2017
0
174
Figuring out how plasma bubbles and blobs affect one another and ultimately the transmission of communications, GPS, and radar signals in Earth's ionosphere will be the job of a recently selected CubeSat mission.
Space Exploration
May 09, 2017
0
7
