News tagged with microwave
UCSB physicists move one step closer to quantum computing
Nov 20, 2009 |
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Physicists at UC Santa Barbara have made an important advance in electrically controlling quantum states of electrons, a step that could help in the development of quantum computing. The work is published ...
Precise picture of early Universe supports 'dark matter' theory
Nov 02, 2009 |
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A detailed picture of the seeds of structures in the universe has been unveiled by an international team co-led by a Cardiff University scientist.
Proposed Quantum Computer Consists of Billions of Electron Spins
Sep 09, 2009 |
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(PhysOrg.com) -- While researchers have already demonstrated the building blocks for few-bit quantum computers, scaling these systems up to large quantum computers remains a challenge. One of the biggest problems ...
Broadband invisibility in the microwave range
Sep 11, 2009 |
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(PhysOrg.com) -- In the series Star Trek, Klingons and Romulans have spaceships outfitted with cloaking devices that hide their presence from sight, as well as from the sensors of their rivals' spaceships. Unlike current invisi ...
Physicists Demonstrate Quantum Memory with Matter Qubits
Jul 03, 2009 |
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(PhysOrg.com) -- For the first time, scientists have successfully operated a quantum gate between two remote particles of matter, marking an important step toward the development of a quantum computer. In ...
New Research Promises Better Atomic Clocks
Apr 22, 2009 |
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(PhysOrg.com) -- The most accurate timekeepers in the world are atomic clocks, which tell time based on the absorption of a very specific and unchanging microwave frequency, which induces electrons in an atom to “jump” from ...
Microwave Meter Measures Moisture and Density of In-Shell Peanuts
Nov 20, 2009 |
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(PhysOrg.com) -- A microwave meter that instantaneously measures both moisture and density of in-shell peanuts has been developed by Agricultural Research Service (ARS) scientists, making it easier and faster ...
The Ultimate Long Distance Communication
Space & Earth / Space Exploration
Aug 19, 2009 |
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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 ...
Researchers propose new way to reproduce a black hole
Aug 21, 2009 |
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(PhysOrg.com) -- Despite their popularity in the science fiction genre, there is much to be learned about black holes, the mysterious regions in space once thought to be absent of light. In a paper published in the August ...
New NASA 3-D Video Shows Thunderstorms in Tropical Storm Ida (w/ Video)
Space & Earth / Earth Sciences
Nov 10, 2009 |
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(PhysOrg.com) -- NASA's Tropical Rainfall Measuring Mission, or TRMM satellite has the ability to provide data that can be made into three-dimensional images. Visualizers at NASA's Goddard Space Flight Center ...
Listening for Gravitational Echoes of the Universe's Birth
Aug 19, 2009 |
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(PhysOrg.com) -- An investigation by a major scientific group has advanced understanding of the early evolution of the universe.
QuikScat and Aqua providing important data on Tropical Storm Anja
Space & Earth / Earth Sciences
Nov 18, 2009 |
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Anja has continued to weaken over the last 24 hours, and NASA's QuikScat satellite has confirmed that the once mighty Category 4 Cyclone is now a tropical storm in the southern Indian Ocean. Two instruments ...
COBE Satellite Marks 20th Anniversary
Space & Earth / Space Exploration
Nov 17, 2009 |
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(PhysOrg.com) -- NASA's Cosmic Background Explorer (COBE) satellite rocketed into Earth orbit on Nov. 18, 1989, and quickly revolutionized our understanding of the early cosmos. Developed and built at Goddard ...
Planck first light yields promising results (w/ Video)
Space & Earth / Space Exploration
Sep 17, 2009 |
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(PhysOrg.com) -- Planck, ESA's mission to study the early Universe, started surveying the sky regularly from its vantage point at L2 on 13 August. The instruments of ESA's 'time machine' were fine-tuned for ...
Researchers make breakthrough in the quantum control of light
May 29, 2009 |
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Researchers at UC Santa Barbara have recently demonstrated a breakthrough in the quantum control of photons, the energy quanta of light. This is a significant result in quantum computation, and could eventually ...
