Search results for quantum computer:
Creating a six-qubit cluster state
Nov 02, 2009 |
4.6 / 5 (10) |
2
(PhysOrg.com) -- Many scientists believe that quantum entanglement is required in order for effective quantum computing. Entanglement takes place when there is a connection that exists between two objects - even when they ...
P vs. NP -- The most notorious problem in theoretical computer science remains open
Technology / Computer Sciences
Oct 29, 2009 |
4.6 / 5 (22) |
4
In the 1995 Halloween episode of The Simpsons, Homer Simpson finds a portal to the mysterious Third Dimension behind a bookcase, and desperate to escape his in-laws, he plunges through. He finds himself wander ...
Researchers create all-electric spintronics
Oct 27, 2009 |
5 / 5 (20) |
3
A multidisciplinary team of UC researchers is the first to find an innovative and novel way to control an electron's spin orientation using purely electrical means.
Study Shows Time Traveling May Not Increase Computational Power
Oct 22, 2009 |
4.1 / 5 (26) |
5
(PhysOrg.com) -- For more than 50 years, physicists have been intrigued by the concept of closed time-like curves (CTCs). Because a CTC returns to its starting point, it raises the possibility of traveling backward in time. ...
Researchers create molecular diode
Oct 22, 2009 |
4.8 / 5 (4) |
0
(PhysOrg.com) -- Recently, at Arizona State University’s Biodesign Institute, N.J. Tao and collaborators have found a way to make a key electrical component on a phenomenally tiny scale. Their single-molecule diode is described ...
Physicist wins Packard Fellowship
Oct 16, 2009 |
1 / 5 (2) |
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(PhysOrg.com) -- MIT physicist Pablo Jarillo-Herrero has won a 2009 David and Lucile Packard Fellowship, an award he will use to study a new class of materials that could have applications in the semiconductor ...
Field experiment on a robust hierarchical metropolitan quantum cryptography network
Oct 16, 2009 |
5 / 5 (1) |
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Key Laboratory of Quantum Information (CAS), University of Science and Technology of China has recently demonstrated a metropolitan Quantum Cryptography Network (QCN) for Government Administration in Wuhu, China. The project ...
Quantum Computer Chips Now One Step Closer To Reality
Oct 15, 2009 |
4.6 / 5 (16) |
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In the quest for smaller, faster computer chips, researchers are increasingly turning to quantum mechanics -- the exotic physics of the small. The problem: the manufacturing techniques required to make quantum devices have ...
Computers Faster Only for 75 More Years? Physicists determine nature's limit to making faster processors
Oct 14, 2009 |
4.3 / 5 (26) |
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With the speed of computers so regularly seeing dramatic increases in their processing speed, it seems that it shouldn't be too long before the machines become infinitely fast -- except they can't.
Physicists discover novel electronic properties in two-dimensional carbon structure
Oct 14, 2009 |
4.8 / 5 (10) |
1
Rutgers researchers have discovered novel electronic properties in two-dimensional sheets of carbon atoms called graphene that could one day be the heart of speedy and powerful electronic devices.
Tiny technology may yield major finds -- and possible perils
Nanotechnology / Bio & Medicine
Oct 13, 2009 |
5 / 5 (7) |
3
Imagine a particle so small it would take a million of them to stretch across the period at the end of this sentence. Imagine such particles could help catch cancer cells floating in your bloodstream before they could metastasize ...
Researchers create molecular diode
Oct 13, 2009 |
4.4 / 5 (12) |
0
Recently, at Arizona State University's Biodesign Institute, N.J. Tao and collaborators have found a way to make a key electrical component on a phenomenally tiny scale. Their single-molecule diode is described ...
Quantum computing may actually be useful, after all
Oct 09, 2009 |
4.6 / 5 (35) |
9
(PhysOrg.com) -- In recent years, quantum computers have lost some of their luster. In the 1990s, it seemed that they might be able to solve a class of difficult but common problems — the so-called NP-complete ...
Physicists Measure Elusive 'Persistent Current' That Flows Forever
Oct 08, 2009 |
4.8 / 5 (58) |
16
(PhysOrg.com) -- Physicists at Yale University have made the first definitive measurements of "persistent current," a small but perpetual electric current that flows naturally through tiny rings of metal wire ...
Solar Cell Researcher Explores Nanotech Ideas
Nanotechnology / Nanomaterials
Oct 05, 2009 |
5 / 5 (5) |
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(PhysOrg.com) -- A UT Dallas researcher envisions a time soon when plastic sheets of solar cells are inexpensively stamped out in factories and then affixed to cell phones, laptops and other power-hungry mobile ...
