Kilogramme faces quantum diet after weight problem
The guardians of the world's most important standards of weights and measures have turned to the weird universe of quantum physics to try to resolve a dilemma.
The guardians of the world's most important standards of weights and measures have turned to the weird universe of quantum physics to try to resolve a dilemma.
General Physics
Nov 6, 2011
8
0
There is enough energy available in winds to meet all of the world's demand. Atmospheric turbines that convert steadier and faster high-altitude winds into energy could generate even more power than ground- and ocean-based ...
Energy & Green Tech
Sep 9, 2012
67
0
The vapor that plants emit when they breathe serves to lower land surface temperature, much like watering the yard on a hot day. Until now, the greenhouse effect has been blamed for the rise in global temperature. But an ...
Environment
May 14, 2020
3
1716
Researchers at EPFL's Computer Graphics and Geometry Laboratory found a way to control "caustics", the patterns that appear when light hits a water surface or any transparent material. Thanks to an elaborate algorithm, they ...
Optics & Photonics
Nov 13, 2012
4
1
(PhysOrg.com) -- What do a wine glass on Earth and an International Space Station experiment have in common? Well, observing the wine glass would be one of few ways to see and understand the experiment being performed in ...
General Physics
Mar 11, 2011
1
0
Artisanal makers of mezcal have a tried and true way to tell when the drink has been distilled to the right alcohol level. They squirt some into a small container and look for little bubbles, known as pearls. If the alcohol ...
Analytical Chemistry
Jul 7, 2020
0
215
Heterostructures with magnetism and topology (geometry) are promising materials to realize exotic topological quantum states. However, such materials are challenging to engineer or synthesize. In a new report on Science Advances, ...
Tropical cyclones are extreme weather events, characterized by a circular form and formation over warm tropical oceans experiencing low atmospheric pressure, high winds and heavy rain. Tropical storms exceed 39 miles per ...
Researchers at MIT and elsewhere have found a way to significantly boost the energy that can be harnessed from sunlight, a finding that could lead to better solar cells or light detectors.
General Physics
Nov 5, 2015
1
2611
A pair of University of Houston engineers has discovered that they can create upward fountains in water by shining laser beams on the water's surface. Jiming Bao, professor of electrical and computer engineering at UH, and ...
Condensed Matter
Jan 18, 2022
0
842