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Stories Tagged With Physics

Arrow_bkgd

WOW!

MEH

6 Pikks

Quantum teleportation achieved over ten miles of free space

Quantum teleportation has achieved a new milestone or, should we say, a new ten-milestone: scientists have recently had success teleporting information between photons over a free space distance of nearly ten miles, an unprecedented length. The researchers who have accomplished this feat note that this brings us closer to communicating information without needing a traditional signal, and that the ten miles they have reached could span the distance between the surface of the earth and space.
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Arrow_bkgd

WOW!

MEH

7 Pikks

Physicist spots 99-year-old mistake in Oxford English Dictionary

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Dr Stephen Hughes, from the University of Technology in Brisbane, noticed that the error in the dictionary during research for an article for science teachers. The OED definition of the word erroneously states that atmospheric pressure makes siphons work, when in fact it is the force of gravity.
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Arrow_bkgd

HUGE

MINOR

7 Pikks

Scientists create new element: 117

Periodic_table
Such discoveries help us make sense of the world around us, and they show that humans are busy doing what God could not. Religious people hold that God is the creator of our entire universe, but it seems that he forgot to create a number of elements that only humans have been able to make.
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Arrow_bkgd

YES

NO

9 Pikks

Do the results of the Large Hadron Collider matter to you?

... More generally, it is critical that we understand our universe as it really is - i.e., using the scientific method to pierce of veil of ignorance that so frequently obstructs humanity's view.
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Arrow_bkgd

WOW!

MEH

7 Pikks

Something quantum happened - You will not understand this

But they did show that a tiny resonating strip of metal – only 60 micrometres long, but big enough to be seen without a microscope – can both oscillate and not oscillate at the same time. Alas, you couldn't actually see the effect happening, because that very act of observation would take it out of superposition.
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Arrow_bkgd

POSSIBLE

NO WAY

4 Pikks

Rotating Space Elevator Propels its Own Load

As the scientists explain, RSE motion is nearly a geometrical superposition of two components: its geosynchronous rotation around Earth (which has a one-day period), and the internal rotation of the string system that goes on around the axis perpendicular to the Earth (about a 10-minute period). This internal rotation of the string is especially important, as it provides a mechanism for objects to freely slide along the string, and also provides the dynamical stability to maintain the elevator shape.
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Arrow_bkgd

WOW!

MEH

6 Pikks

Chemistry Creates Self-Stirring Liquids (click for video)

Chemical_mixing-660x162
De Wit and her colleagues wondered what would happen to fluid flows if the reacting liquids were left alone and not stirred. The researchers watched a very simple reaction — the neutralization that occurs between hydrochloric acid and sodium hydroxide, a common chemical base — in the absence of stirring.
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Arrow_bkgd

INTERESTING

BORING

5 Pikks

Newton's idea spotted in reflected neutrons

Result1
Newton predicted in the 17th century that a beam of light reflected at a glass-vacuum surface should undergo a minuscule lateral shift. He was arguing that wavefronts, having reached the vacuum, should "slide" a short distance along the interface before re-emerging and reflecting back into the glass.
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Arrow_bkgd

INTERESTING

BORING

5 Pikks

Less Wrong: What Are Probabilities, Anyway?

This blog is more serious than you'd think, but it does provide an almost accessible look at the insane-seeming many worlds theories of insane-seeming modern physics.
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Arrow_bkgd

REAL

OMMMM

3 Pikks

A Prayer for Success at CERN

If atheists can pray, it may look something like this. Prayers for openness being the only kind God truly abides.
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Arrow_bkgd

COOL

BORING

11 Pikks

The Large Hadron Collider is Working!

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The Large Hadron Collider, the world’s biggest and most expensive science experiment, produced its first collisions on Monday, said scientists at CERN, the European Organization for Nuclear Research, outside Geneva.
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Arrow_bkgd

YES

NO

8 Pikks

Why Machines Will Never Think as Good as People Do

Machines, unless their designer is malicious, just don't do random. So, can they ever think? Or does thinking involve emotion, which allows random in. Which route leads to pair-a-dice? Feeling machines or thinking people? Will machines ever think?
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