Invisibility cloaks are a staple of science fiction and fantasy, from Star Trek to Harry Potter, but don't exist in real life, or do they? Scientists at the U.S. Department of Energy (DOE)'s Lawrence Berkeley National Laboratory ...
General Physics
Sep 17, 2015
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(PhysOrg.com) -- Most of the invisibility cloaks that have been demonstrated to date conceal objects at frequencies that are not detectable by the human eye. Designing invisibility cloaks that can conceal objects from visible ...
Researchers have developed a new design for a cloaking device that overcomes some of the limitations of existing "invisibility cloaks." In a new study, electrical engineers at the University of California, San Diego have ...
General Physics
Jul 7, 2015
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2788
The Pazyryk carpet is the world's oldest example of a knotted-pile carpet and is kept at the State Hermitage Museum in St. Petersburg, Russia. The carpet, which was made out of new wool at around 400 BC, is one of the most ...
Archaeology
Mar 5, 2021
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Invisibility cloaks are seemingly futuristic devices capable of concealing very small objects by bending and channeling light around them. Until now, however, cloaking techniques have come with a significant limitation—they ...
Optics & Photonics
Apr 19, 2011
3
1
(Phys.org) —What do champion surfers who gathered at last week's Mavericks Invitational have in common with a UC Berkeley engineer? They all are looking to harness the power of big ocean waves.
Energy & Green Tech
Jan 29, 2014
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1
Stable two-dimensional networks of organic molecules are important components in various nanotechnology processes. However, producing these networks, which are only one atom thick, in high quality and with the greatest possible ...
Nanophysics
Dec 29, 2011
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0
That old, weathered carpet torn out from your living room could now be used to make new carpet.
Energy & Green Tech
Jun 12, 2009
1
0
Scientists from Tomsk Polytechnic University (TPU), together with colleagues from the United States and Germany, have found a way to obtain inexpensive catalysts from hexagonal boron nitride or "white graphene." The technology ...
Nanomaterials
Apr 22, 2019
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Nine thousand kilos of discarded fishing nets have been collected for recycling into carpet tiles, drastically transforming littered beaches along the Danajon Bank, Philippines.
Ecology
Jun 11, 2013
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