Scientists and science fiction writers alike have dreamt of aircrafts that are propelled by beams of light rather than conventional fuels. Now, a new method for improving the thrust generated by such laser-propulsion systems ...
Optics & Photonics
Oct 29, 2014
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ISEE-3 will not be returning home after all. Authors of a plan to revive the forgotten NASA satellite and return it to Earth orbit conceded Wednesday that a failure in the spacecraft's propulsion system has made it impossible ...
Space Exploration
Jul 10, 2014
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One of the world's most advanced pilot boats contains a hybrid drive from Siemens. Called the Explorer, the vessel is a SWASH (Small Waterplane Area Single Hull) vessel with a torpedo-shaped float located centrally underneath ...
Energy & Green Tech
Apr 28, 2014
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Back in 1991, Nature published a picture from the IMAX movie Antarctica, along with the caption: "Emperor penguins may be waddling jokes on land, but underwater they can turn into regular rockets…accelerating from 0 to ...
General Physics
Nov 14, 2013
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According to the TRIPOD research project coordinated by VTT Technical Research Centre of Finland lower fuel consumption and emissions are expected for an innovative propulsion system to be used as a promising alternative ...
Engineering
Nov 4, 2013
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A science satellite dubbed the "Ferrari of space" for its sleek, finned looks will shortly run out of fuel and fall to Earth after a successful mission, the European Space Agency (ESA) says.
Space Exploration
Sep 12, 2013
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The weakly electric fish, so named because it generates a weak electric field, can do some very cool things. Using sensors located all over its body, for example, it can detect prey or predators that interrupt its surrounding ...
Plants & Animals
Sep 4, 2013
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Octopods, which are also known as octopuses or squid, are considered to be the most intelligent invertebrates. In fact, they have been referred to as the "sages of the sea". They are capable of learning; they can open tin ...
Engineering
Jul 22, 2013
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Nature inspires creativity: in building a silent propulsion system for boats and water sport devices, researchers used the octopus as their role model. The system can be produced at a low cost and in a single step with a ...
Engineering
Jul 1, 2013
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In 2015, NASA, for the first time, will fly a space mission utilizing a radically different propellant—one which has reduced toxicity and is environmentally benign. This energetic ionic liquid, or EIL, is quite different ...
Engineering
May 7, 2013
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