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Old 2013-01-28, 06:41   Link #1601
kyp275
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Your nose is a quantum detector!

http://www.bbc.co.uk/news/science-environment-21150046
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Old 2013-01-28, 07:08   Link #1602
LoweGear
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Phys Org: Star Trek's 'tractor' beam created in miniature by researchers

Quote:
Originally Posted by Phys Org
Although light manipulation techniques have existed since the 1970s, this is the first time a light beam has been used to draw objects towards the light source, albeit at a microscopic level. Researchers from the University of St Andrews and the Institute of Scientific Instruments (ISI) in the Czech Republic have found a way to generate a special optical field that efficiently reverses radiation pressure of light. The new technique could lead to more efficient medical testing, such as in the examination of blood samples.

In the US science fiction show, a tractor beam was a method of using a beam of light which could pull space-ships and other large objects towards the source of the light. The team, led by Dr Tomas Cizmar, Research Fellow in the School of Medicine at the University of St Andrews, with Dr Oto Brzobohaty and Professor Pavel Zemanek, both of ISI, discovered a technique which will allow them to provide 'negative' force acting upon minuscule particles. Normally when matter and light interact the solid object is pushed by the light and carried away in the stream of photons.

Such radiation force was first identified by Johanes Kepler when observing that tails of comets point away from the sun. Over recent years researchers have realised that while this is the case for most of the optical fields, there is a space of parameters when this force reverses. The scientists at St Andrews and ISI have now demonstrated the first experimental realisation of this concept together with a number of exciting applications for bio-medical photonics and other disciplines.

The exciting aspect is that the occurrence of negative force is very specific to the properties of the object, such as size and composition. This in turn allows optical sorting of micro-objects in a simple and inexpensive device. Over the last decade optical fractionation has been identified as one of the most promising bio-medical applications of optical manipulation allowing, for example, sorting of macromolecules, organelles or cells. Interestingly, the scientists identified certain conditions, in which objects held by the "tractor" beam force-field, re-arranged themselves to form a structure which made the beam even stronger.

Dr Cizmar said: "Because of the similarities between optical and acoustic particle manipulation we anticipate that this concept will provide inspiration for exciting future studies in areas outside the field of photonics." Dr Brzobohaty said: "These methods are opening new opportunities for fundamental phonics as well as applications for life-sciences." Professor Zemanek said: "The whole team have spent a number of years investigating various configurations of particles delivery by light. I am proud our results were recognised in this very competitive environment and I am looking forward to new experiments and applications. It is a very exciting time."
This is... EXCITING
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Old 2013-01-30, 04:45   Link #1603
SaintessHeart
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Quote:
Originally Posted by LoweGear View Post
We COULD invent a torchlight that uses this principle and shine it at girls - *gets bludgeoned to death with a flashlight*
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Old 2013-01-31, 08:38   Link #1604
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Infra, a TV built from remote controls

Quote:
The idea was to build a infrared display out of old remote controls, using the existing infrared LEDs as pixels of a low-res display. 625 old remote controls are mounted in a metal frame connected by individual wires to a modified Peggy 2 that runs the whole installation.
http://www.evilmadscientist.com/2013...mote-controls/
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Old 2013-01-31, 08:44   Link #1605
ganbaru
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Quote:
Originally Posted by SaintessHeart View Post
We COULD invent a torchlight that uses this principle and shine it at girls - *gets bludgeoned to death with a flashlight*
They would still realize than it's you than are trying to lift their skirt, so you would still get the beating.
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Old 2013-02-02, 07:57   Link #1606
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Iran's New Qaher 313 Stealth Fighter Is Perfect For Attacking The US Navy


Quote:
The prototype of the Q-313 (or F-313 according to the stencils applied to the aircraft), was presented to President Mahmoud Ahmadinejad and publicly displayed as part of the Ten-Day Dawn ceremonies held in Iran to celebrate the 1979′s victory of the Islamic Revolution.
In the previous days, the Iranian Defense Minister Brigadier General Ahmad Vahidi had said, “The aircraft will be different from the other fighter jets Iran has already made.”

Read more: http://www.businessinsider.com/irans...#ixzz2JkJsMQUe
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Old 2013-02-02, 08:11   Link #1607
ganbaru
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Quote:
Originally Posted by RRW View Post
It do look interesting but some detail make me doubt of it's capacity, especialy looking at the side of the air intakes. I wonder what Vexx would think of it.
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Old 2013-02-02, 10:14   Link #1608
SaintessHeart
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Quote:
Originally Posted by ganbaru View Post
It do look interesting but some detail make me doubt of it's capacity, especialy looking at the side of the air intakes. I wonder what Vexx would think of it.
It looks like a variable fighter from Macross, minus the legs.
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When three puppygirls named after pastries are on top of each other, it is called Eclair a'la menthe et Biscotti aux fraises avec beaucoup de Ricotta sur le dessus.
Most of all, you have to be disciplined and you have to save, even if you hate our current financial system. Because if you don't save, then you're guaranteed to end up with nothing.
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Old 2013-02-02, 10:47   Link #1609
LoweGear
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Based on just the aesthetics, the plane looks absolutely sexy. All the problems listed though kinda kill the appreciation for it, especially the intakes being way too small for something that's supposed to be a high-performance fighter.
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Old 2013-02-02, 13:35   Link #1610
Ithekro
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Reminds me a little of the fictional "Firefox" Soviet aircraft from the Clint Eastwood movie.
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Old 2013-02-02, 15:31   Link #1611
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NASA to Launch World's Largest Solar Sail in 2014

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The largest solar sail ever constructed is headed for the launch pad in 2014 on a mission to demonstrate the value of "propellantless propulsion" the act of using photons from the sun to push a craft through space.

Dubbed Sunjammer, the giant solar sail measures about 124 feet (38 meters) on a side and boasts a total surface area of nearly 13,000 square feet (1,208 square m, or one-third of an acre). The project is under the wing of NASA's Space Technology Program, within the agency's Office of the Chief Technologist.
http://www.space.com/19565-worlds-la...sunjammer.html
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Old 2013-02-03, 10:08   Link #1612
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Kind of old, but interesting nevertheless




Correct me if I'm wrong, but isn't ammonia toxic?
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Old 2013-02-03, 10:23   Link #1613
kyp275
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Quote:
Originally Posted by JokerD View Post
Correct me if I'm wrong, but isn't ammonia toxic?
I'm no chemist, but I would imagine it'd depend on the specific mixture of the chemical. Still, it can't be overly healthy for people.

On the other hand, it's far better than being burned or smothered alive :3
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Old 2013-02-03, 10:56   Link #1614
SaintessHeart
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Ammonia is only toxic when it is unstable, i.e fuming, concentrated or gaseous.
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When three puppygirls named after pastries are on top of each other, it is called Eclair a'la menthe et Biscotti aux fraises avec beaucoup de Ricotta sur le dessus.
Most of all, you have to be disciplined and you have to save, even if you hate our current financial system. Because if you don't save, then you're guaranteed to end up with nothing.
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Old 2013-02-03, 15:01   Link #1615
Zakoo
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Quote:
Originally Posted by JokerD View Post

Correct me if I'm wrong, but isn't ammonia toxic?
The absolute rules : everything is tocix if you managed to absorb enough in your body.

Even coffee, takes 200 cup and you have 50% of dying.
Orange juice is somewhere around 4000 I believe.
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Old 2013-02-03, 17:01   Link #1616
Kudryavka
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Quote:
Originally Posted by JokerD View Post
Kind of old, but interesting nevertheless

This will change the world for the better.
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Old 2013-02-03, 20:03   Link #1617
SaintessHeart
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Quote:
Originally Posted by Zakoo View Post
The absolute rules : everything is tocix if you managed to absorb enough in your body.

Even coffee, takes 200 cup and you have 50% of dying.
Orange juice is somewhere around 4000 I believe.
Really? I have been consuming 2-3 anime worth of moe since 2003 and I am still alive.

Moe - the only drug that won't kill you.
__________________

When three puppygirls named after pastries are on top of each other, it is called Eclair a'la menthe et Biscotti aux fraises avec beaucoup de Ricotta sur le dessus.
Most of all, you have to be disciplined and you have to save, even if you hate our current financial system. Because if you don't save, then you're guaranteed to end up with nothing.
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Old 2013-02-03, 20:57   Link #1618
ganbaru
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Quote:
Originally Posted by SaintessHeart View Post
Moe - the only drug that won't kill you.
Directly, I am pretty sure than you are right but is that true for indirectly ? Who know what crazy or dangerous thing you did in the past because of moe
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Old 2013-02-04, 12:31   Link #1619
Zakoo
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Quote:
Originally Posted by SaintessHeart View Post
Really? I have been consuming 2-3 anime worth of moe since 2003 and I am still alive.

Moe - the only drug that won't kill you.
I wonder about this, if little girls fears you as much as i fear manipulating hexavalent chromium, you are in a pretty bad situation in the toxico dangerousness.
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Old 2013-02-04, 13:14   Link #1620
AnimeFan188
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Euro boffins plan supercomputer to Simulate Human Brain:

"The European Commission has selected the Human Brain Project (HBP) as one of
its Future and Emerging Technologies and will send it up to €1.19b over ten years
so it can build a supercomputer capable of simulating the human brain."

See:

http://www.theregister.co.uk/2013/02...brain_project/
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