A marvelous molecular machine
Squids, octopuses and cuttlefish are undisputed masters of deception and camouflage. Their extraordinary ability to change color, texture and shape is unrivaled, even by modern technology.
Squids, octopuses and cuttlefish are undisputed masters of deception and camouflage. Their extraordinary ability to change color, texture and shape is unrivaled, even by modern technology.
Biochemistry
Nov 15, 2019
3
433
Light can be directed in different directions, usually also back the same way. Physicists from the University of Bonn and the University of Cologne have, however, succeeded in creating a new one-way street for light. They ...
General Physics
Nov 14, 2019
1
13125
ETH researchers have cooled a nanoparticle to a record low temperature, thanks to a sophisticated experimental set-up that uses scattered laser light for cooling. Until now, no one has ever cooled a nanoparticle to such ...
Optics & Photonics
Apr 25, 2019
0
235
Researchers at Duke University and Aalto University (Finland) have constructed a "meta-mirror" device capable of perfectly reflecting sound waves in any direction. The proof-of-principle demonstration is analogous to looking ...
Optics & Photonics
Feb 18, 2019
0
188
Antireflection (AR) coatings on plastics have a multitude of practical applications, including glare reduction on eyeglasses, computer monitors and the display on your smart-phone when outdoors. Now, researchers at Penn State ...
Nanomaterials
Jan 30, 2019
2
96
This festive NASA Hubble Space Telescope image resembles a holiday wreath made of sparkling lights. The bright southern hemisphere star RS Puppis, at the center of the image, is swaddled in a gossamer cocoon of reflective ...
Astronomy
Dec 21, 2018
0
364
A pair of researchers, one with the Public University of Navarre, the other with the University of Bristol, has developed a system of holographic acoustic tweezers that can be used to manipulate multiple objects simultaneously ...
With virtual reality (VR) sizzling in every electronic fair, there is a need for displays with higher resolution, frame rates and power efficiency. Now, a joint collaboration of researchers from SCALE Nanotech, Graphenea ...
Nanomaterials
Nov 16, 2018
2
405
Thin-film solar cells made of crystalline silicon are inexpensive and achieve efficiencies of around 14 percent. However, they could do even better if their shiny surfaces reflected less light. A team led by Prof. Christiane ...
Nanomaterials
Sep 18, 2018
1
50
What a fine view of Mother Earth and what a smooth ride.
Space Exploration
Feb 7, 2018
7
3409