News tagged with vacuum
Scientists Create Material More Insulating than the Vacuum
Dec 10, 2009 |
4.5 / 5 (57) |
27
(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 ...
Dyson Unveils His Bladeless Fan (w/ Videos)
Oct 14, 2009 |
3.9 / 5 (38) |
26
(PhysOrg.com) -- James Dyson, inventor of the bag-less vacuum cleaners has taken his invention one step further with the unveiling of the bladeless fan. Using 'Air Multiplier' technology the bladeless fan ...
Plasma Rocket Could Travel to Mars in 39 Days
Space & Earth / Space Exploration
Oct 06, 2009 |
4.8 / 5 (125) |
72
(PhysOrg.com) -- Last Wednesday, the Ad Astra Rocket Company tested what is currently the most powerful plasma rocket in the world. As the Webster, Texas, company announced, the VASIMR VX-200 engine ran at ...
Lower-cost solar cells to be printed like newspaper, painted on rooftops
Nanotechnology / Nanomaterials
Aug 24, 2009 |
4.2 / 5 (32) |
12
Solar cells could soon be produced more cheaply using nanoparticle "inks" that allow them to be printed like newspaper or painted onto the sides of buildings or rooftops to absorb electricity-producing sunlight.
The Ultimate Long Distance Communication
Space & Earth / Space Exploration
Aug 19, 2009 |
4.5 / 5 (20) |
11
Anyone who's vacationed in the mountains or lived on a farm knows that it's hard to get good internet access or a strong cell phone signal in a remote area. Communicating across great distances has always ...
Measuring the Speed of Light in Composite Materials
Aug 02, 2009 |
4.5 / 5 (14) |
7
(PhysOrg.com) -- Although the speed of light is constant in a vacuum, light slows down a small amount when traveling through other materials. While it's relatively easy to measure the speed of light in mediums ...
The day the universe froze: New dark energy model includes cosmological phase transition
May 08, 2009 |
3.9 / 5 (23) |
16
Imagine a time when the entire universe froze. According to a new model for dark energy, that is essentially what happened about 11.5 billion years ago, when the universe was a quarter of the size it is today.
I, robot -- and gardener: MIT droids tend plants
Apr 10, 2009 |
5 / 5 (5) |
4
(AP) -- These gardeners would have green thumbs - if they had thumbs.
Accelerators and Light Sources of Tomorrow (Part 1: From Linacs to Lasers)
Dec 22, 2009 |
4.7 / 5 (6) |
2
From their humble beginnings as offshoots of the ordinary electric light bulb, particle accelerators have evolved in surprising directions. Among the most productive and promising developments have been light ...
Physicists lay the groundwork for cooler, faster computing
Dec 14, 2009 |
4.7 / 5 (25) |
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 ...
Crashing the size barrier
Nov 18, 2009 |
4.5 / 5 (15) |
6
Like surfers on monster waves, electrons can ride waves of plasma to very high energies in a very short distance. Scientists have proven that plasma acceleration works. Now they're developing it as a way to ...
Samsung launches a new vacuuming robot
Electronics / Consumer & Gadgets
Nov 06, 2009 |
4.1 / 5 (8) |
9
(PhysOrg.com) -- Samsung Electronics has launched its latest autonomous robot vacuum cleaner, the Tango, which is capable of vacuuming hardwood floors, carpets, and even beds without human assistance.
Seasonal ladybug swarms pester even bug experts
Oct 22, 2009 |
4.5 / 5 (2) |
0
(AP) -- Pest-control specialist Gene Scholes even gets bugged by them - legions of ladybugs lately swarming his rural Missouri home and other stretches across the country, exploiting gaps in door and window seals for cozier ...
Cooking Up Water From the Moon? NASA Studies Water Extraction With Microwaves
Space & Earth / Space Exploration
Oct 19, 2009 |
5 / 5 (2) |
0
(PhysOrg.com) -- Intrigued by NASA lunar missions in the 1990s which suggested the existence of ice within craters at the moon's poles, NASA scientist Dr. Edwin Ethridge and his team started cooking up a way ...
Nanosatellites expected to benefit from advanced propulsion technology
Nanotechnology / Nanomaterials
Oct 19, 2009 |
4.1 / 5 (12) |
3
A University of Michigan professor is developing an electric rocket thruster, NanoFET, that uses nanoparticle electric propulsion and enables spacecraft to travel faster and with less propellant than previous ...
