News tagged with vacuum


Vacuum flask

Scientists Create Material More Insulating than the Vacuum

Physics / General Physics

created Dec 10, 2009 | popularity 4.5 / 5 (57) | comments 26

(PhysOrg.com) -- With its complete lack of atoms, a vacuum is often considered to be the best known insulator. For this reason, vacuums are regularly used to reduce heat transfer, such as in the lining of ...


Physicists lay the groundwork for cooler, faster computing

Physics / Optics & Photonics

created Dec 14, 2009 | popularity 4.7 / 5 (25) | comments 5

University of Toronto quantum optics researchers Sajeev John and Xun Ma have discovered new behaviours of light within photonic crystals that could lead to faster optical information processing and compact computers that ...





Search results for vacuum


Micromachined piezoelectric harvester drives fully autonomous wireless sensor

Micromachined piezoelectric harvester drives fully autonomous wireless sensor

Technology / Engineering

created Dec 15, 2009 | popularity 5 / 5 (11) | comments 1

For the first time, a piezoelectric harvesting device fabricated by MEMS technology generates a record of 85μW electrical power from vibrations. A wafer level packaging method was developed for robustness. ...


Microscopic gyroscopes, the key for motion sensing

Microscopic gyroscopes, the key for motion sensing

Technology / Engineering

created Dec 09, 2009 | popularity 5 / 5 (6) | comments 1

(PhysOrg.com) -- Tiny devices made possible by combining the latest advances in mechanical and electronics technology could be at the heart of next-generation personal navigation and vehicle stabilisation ...


New silicon-germanium nanowires could lead to smaller, more powerful electronic devices

Nanotechnology / Nanophysics

created Dec 09, 2009 | popularity 5 / 5 (5) | comments 0

(PhysOrg.com) -- Microchip manufacturers have long faced challenges miniaturizing transistors, the key active components in nearly every modern electronic device, which are used to amplify or switch electronic signals.


Metamaterials could reduce friction in nanomachines

Nanotechnology / Nanomaterials

created Dec 07, 2009 | popularity 5 / 5 (4) | comments 2

(PhysOrg.com) -- Nanoscale machines expected to have wide application in industry, energy, medicine and other fields may someday operate far more efficiently thanks to important theoretical discoveries concerning the manipulation ...


NRL's MISSE7 launched aboard STS-129

NRL's MISSE7 launched aboard STS-129

Space & Earth / Space Exploration

created Dec 07, 2009 | popularity 4 / 5 (1) | comments 0

The Materials on the International Space Station Experiment (MISSE) 7, designed and built by the Naval Research Laboratory (NRL), launched aboard STS-129 on November, 16, for transport to the International ...


A window that washes itself?

A (nano-) window that washes itself?

Nanotechnology / Nanomaterials

created Dec 03, 2009 | popularity 4.5 / 5 (8) | comments 9

A coating on windows or solar panels that repels grime and dirt? Expanded battery storage capacities for the next electric car? New Tel Aviv University research, just published in Nature Nanotechnology, detail ...


CPR is successful without mouth-to-mouth, but not without oxygen

Medicine & Health / Other

created Nov 30, 2009 | popularity 3 / 5 (1) | comments 0

People can survive cardiac arrest if they receive only chest compressions during attempts to revive them - as advised by the current American Heart Association guidelines. But they cannot survive without access to oxygen ...


Nanowire Formation

Nanowires key to future transistors, electronics

Nanotechnology / Nanophysics

created Nov 26, 2009 | popularity 4.6 / 5 (12) | comments 2

(PhysOrg.com) -- A new generation of ultrasmall transistors and more powerful computer chips using tiny structures called semiconducting nanowires are closer to reality after a key discovery by researchers ...


Nanotech in Space: Experiment To Weather the Trials of Orbit

Nanotech in Space: Experiment To Weather the Trials of Orbit

Nanotechnology / Nanomaterials

created Nov 24, 2009 | popularity 4 / 5 (2) | comments 0

Novel nanomaterials developed at Rensselaer were sent into orbit on Nov. 16 aboard Space Shuttle Atlantis.


As robots become more common, Stanford experts consider the legal challenges

Other Sciences / Social Sciences

created Nov 23, 2009 | popularity 4.5 / 5 (4) | comments 0

(PhysOrg.com) -- They already detect and defuse bombs, control traffic patterns and do some basic household chores. And scientists predict that pretty soon, robots will be using artificial intelligence to play a larger role ...



List of search results for vacuum