items tagged with Physics
Solved: Einstein’s Twin Paradox put back in the box
Written By: Alex Zaharov-Reutt
Section: Science
Category: Space
2007-02-18 05:33:53
One of the most enduring puzzles of modern-day physics is a century old paradox suggested by Einstein. Now Subhash Kak, a professor at the Louisiana State University LSU has claimed to have solved it!
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Written By: Alex Zaharov-Reutt
Section: Science
Category: Space
2007-02-18 05:33:53
One of the most enduring puzzles of modern-day physics is a century old paradox suggested by Einstein. Now Subhash Kak, a professor at the Louisiana State University LSU has claimed to have solved it!
Read More About Solved: Einstein’S Twin Paradox Put Back In The Box...
Scientist reports that cosmic rays cause much of Earth’s global warming
Written By: William Atkins
Section: Science
Category: Climate
2007-02-12 11:36:22
Danish physicist Henrik Svensmark has concluded that the Earth is experiencing less cloud cover because cosmic rays are not entering the atmosphere as frequently as normal. Consequently, Svensmark says that cosmic rays, not human-made carbon dioxide emissions, are largely responsible for global warming.
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Written By: William Atkins
Section: Science
Category: Climate
2007-02-12 11:36:22
Danish physicist Henrik Svensmark has concluded that the Earth is experiencing less cloud cover because cosmic rays are not entering the atmosphere as frequently as normal. Consequently, Svensmark says that cosmic rays, not human-made carbon dioxide emissions, are largely responsible for global warming.
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International Linear Collider proposed to explore origins of universe
Written By: William Atkins
Section: Science
Category: Energy
2007-02-10 18:14:36
An international high-energy physics research project was proposed on Thursday, February 8, 2007, at a meeting in Beijing, China. The project intends to design and build the International Linear Collider that is proposed to consist of a 30-kilometer (20-mile) linear particle accelerator.
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Written By: William Atkins
Section: Science
Category: Energy
2007-02-10 18:14:36
An international high-energy physics research project was proposed on Thursday, February 8, 2007, at a meeting in Beijing, China. The project intends to design and build the International Linear Collider that is proposed to consist of a 30-kilometer (20-mile) linear particle accelerator.
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NASA and ESA Ulysses spacecraft flies past Sun’s hidden South Pole
Written By: William Atkins
Section: Science
Category: Space
2007-02-07 12:33:27
On February 7, 2007, the Ulysses spacecraft is traveling where almost all other spacecraft have never ventured: to the South Pole of the Sun. With only two other brief flybys of the Sun’s south polar cap, Ulysses has discovered an interesting and unusual place on the Sun.
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Written By: William Atkins
Section: Science
Category: Space
2007-02-07 12:33:27
On February 7, 2007, the Ulysses spacecraft is traveling where almost all other spacecraft have never ventured: to the South Pole of the Sun. With only two other brief flybys of the Sun’s south polar cap, Ulysses has discovered an interesting and unusual place on the Sun.
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Space-time ripples from Big Bang explosion may be measurable
Written By: William Atkins
Section: Science
Category: Space
2007-02-07 11:03:02
Direct evidence of gravitational waves produced a mere fraction of a second after the Big Bang may be possible due to independent research by scientists from Yale University and the Independent University of Madrid and future observations performed at the Laser Interferometer Gravitational-Wave Observatory.
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Written By: William Atkins
Section: Science
Category: Space
2007-02-07 11:03:02
Direct evidence of gravitational waves produced a mere fraction of a second after the Big Bang may be possible due to independent research by scientists from Yale University and the Independent University of Madrid and future observations performed at the Laser Interferometer Gravitational-Wave Observatory.
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NASA Cassini spacecraft photographs cloud system on Saturn’s moon Titan
Written By: William Atkins
Section: Science
Category: Space
2007-02-03 11:36:06
Detailed images produced by the Cassini spacecraft on December 29, 2006, show a cloud formation about 2,400 kilometers (1,500 miles) in diameter at Titan’s north-pole region. Scientists had never before actually seen such a detailed cloud system on Titan, but had predicted its possible existence.
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Written By: William Atkins
Section: Science
Category: Space
2007-02-03 11:36:06
Detailed images produced by the Cassini spacecraft on December 29, 2006, show a cloud formation about 2,400 kilometers (1,500 miles) in diameter at Titan’s north-pole region. Scientists had never before actually seen such a detailed cloud system on Titan, but had predicted its possible existence.
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Big Bang theory gets more competition from an endless cycle universe theory
Written By: William Atkins
Section: Science
Category: Space
2007-01-31 12:19:34
Theoretical physicists from the University of North Carolina suggest that the universe was not created in a Big Bang but, rather, expands and contracts in an endless (infinite) cycle.
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Written By: William Atkins
Section: Science
Category: Space
2007-01-31 12:19:34
Theoretical physicists from the University of North Carolina suggest that the universe was not created in a Big Bang but, rather, expands and contracts in an endless (infinite) cycle.
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Mars Express scientists think Mars might have plenty of water underground
Written By: William Atkins
Section: Science
Category: Space
2007-01-25 22:23:52
The Mars Express spacecraft, from the European Space Agency (ESA), has indicated to scientists that the dry atmosphere and surface on the planet Mars does not necessarily mean Mars is dry underneath the surface. In fact, a huge storehouse of water and carbon dioxide could be found in underground reservoirs.
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Written By: William Atkins
Section: Science
Category: Space
2007-01-25 22:23:52
The Mars Express spacecraft, from the European Space Agency (ESA), has indicated to scientists that the dry atmosphere and surface on the planet Mars does not necessarily mean Mars is dry underneath the surface. In fact, a huge storehouse of water and carbon dioxide could be found in underground reservoirs.
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NASA’s JOULE II mission launches 4 rockets to study Northern Lights above Alaska
Written By: William Atkins
Section: Science
Category: Climate
2007-01-23 18:28:18
On January 19, 2007 (starting at about 3:29 Alaska Standard Time), NASA launched a project called JOULE II that consists of four rockets to study the aurora display over the skies of northern Alaska. The mission is geared to learn more about the electrical heating of the thin upper atmosphere above the Earth’s surface.
Read More About NASA’S JOULE II Mission Launches 4 Rockets To Study Northern Lights Above Alaska...
Written By: William Atkins
Section: Science
Category: Climate
2007-01-23 18:28:18
On January 19, 2007 (starting at about 3:29 Alaska Standard Time), NASA launched a project called JOULE II that consists of four rockets to study the aurora display over the skies of northern Alaska. The mission is geared to learn more about the electrical heating of the thin upper atmosphere above the Earth’s surface.
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U.S. study suggests most people are uninformed about nanotechnology
Written By: William Atkins
Section: Science
Category: Biology
2007-01-23 12:12:53
A recent U.S. study has found that the general public’s and the mass media’s lack of awareness of nanotechnology has led to misconceptions about the emerging technology.
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Written By: William Atkins
Section: Science
Category: Biology
2007-01-23 12:12:53
A recent U.S. study has found that the general public’s and the mass media’s lack of awareness of nanotechnology has led to misconceptions about the emerging technology.
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Nanodots may drastically increase digital data storage capacity
Written By: William Atkins
Section: Science
Category: Biology
2007-01-22 13:16:45
Scientists are developing tiny magnetic particles called nanodots that are only a few billionth of a meter in diameter. The nanodots are showing promise in decreasing the amount of data storage space by at least one-hundred times what is currently held with hard disk drives. With storage requirements doubling about every year, nanodots may hold the answer to handling increasingly large amounts of digital data.
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Written By: William Atkins
Section: Science
Category: Biology
2007-01-22 13:16:45
Scientists are developing tiny magnetic particles called nanodots that are only a few billionth of a meter in diameter. The nanodots are showing promise in decreasing the amount of data storage space by at least one-hundred times what is currently held with hard disk drives. With storage requirements doubling about every year, nanodots may hold the answer to handling increasingly large amounts of digital data.
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China destroys Feng Yun weather satellite with anti-satellite missile
Written By: William Atkins
Section: Science
Category: Space
2007-01-19 14:01:46
On January 11, 2007, at about 5:28 p.m. EST, China destroyed one of its aging weather satellites—Feng Yun (FY-1C)—with a ground-based, modified medium-range ballistic missile equipped with a kinetic kill projectile aboard—generally called an ASAT (anti-satellite) missile system.
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Written By: William Atkins
Section: Science
Category: Space
2007-01-19 14:01:46
On January 11, 2007, at about 5:28 p.m. EST, China destroyed one of its aging weather satellites—Feng Yun (FY-1C)—with a ground-based, modified medium-range ballistic missile equipped with a kinetic kill projectile aboard—generally called an ASAT (anti-satellite) missile system.
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Large Hadron Collider: Does every particle in the universe consist of points, strings, or loops?
Written By: William Atkins
Section: Science
Category: Space
2007-01-17 12:01:12
For many years String theory has been a viable adjustment to the Standard Model of particle physics—a quantum field theory that cosmologists hope will unite all the fundamental forces of nature (weak, strong, electromagnetic, and gravitational). In other words, explain how the universe works. The problem so far has been that the Standard Model does not explain the gravitational force. And recently, String theory, without any experimental conclusions to back it up, has being challenged by other theories such as Loop Quantum Gravity.
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Written By: William Atkins
Section: Science
Category: Space
2007-01-17 12:01:12
For many years String theory has been a viable adjustment to the Standard Model of particle physics—a quantum field theory that cosmologists hope will unite all the fundamental forces of nature (weak, strong, electromagnetic, and gravitational). In other words, explain how the universe works. The problem so far has been that the Standard Model does not explain the gravitational force. And recently, String theory, without any experimental conclusions to back it up, has being challenged by other theories such as Loop Quantum Gravity.
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NASA goes metric for Moon missions
Written By: William Atkins
Section: Science
Category: Space
2007-01-16 20:52:51
Every country in the world has adopted the metric system for its units of measurements except for Liberia, Myanmar (formerly Burma), and the United States. The people of the United States tried to convert to metric—mostly in the 1960s and 1970s (remember metrification?)—but it failed miserably. However, to avoid confusion, minimize safety concerns, and support international cooperation, NASA has decided to use the metric units for all operations with respect to its new lunar initiatives.
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Written By: William Atkins
Section: Science
Category: Space
2007-01-16 20:52:51
Every country in the world has adopted the metric system for its units of measurements except for Liberia, Myanmar (formerly Burma), and the United States. The people of the United States tried to convert to metric—mostly in the 1960s and 1970s (remember metrification?)—but it failed miserably. However, to avoid confusion, minimize safety concerns, and support international cooperation, NASA has decided to use the metric units for all operations with respect to its new lunar initiatives.
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Scientists prepare to move Doomsday Clock forward
Written By: Peter Dinham
Section: World Watch
Category: Reuters
2007-01-13 07:06:42
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Written By: Peter Dinham
Section: World Watch
Category: Reuters
2007-01-13 07:06:42
WASHINGTON (Reuters) - The keepers of the "Doomsday Clock" plan to move its hands forward next Wednesday to reflect what they call worsening nuclear and climate threats to the world.
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Planetary Photojournal: Ten best space science photographs
Written By: William Atkins
Section: Science
Category: Space
2007-01-12 14:49:24
On January 11, 2007, I reported on ITwire.com about “The Ten Best Hubble Photographs”. Today, I follow it up with an article based on a September 25, 2001, Space.com article written by senior science writer Robert Roy Britt. “Experts Pick: Top 10 Space Science Photos” is an interesting article on ten very important photographs taken by astronomers over the years.
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Written By: William Atkins
Section: Science
Category: Space
2007-01-12 14:49:24
On January 11, 2007, I reported on ITwire.com about “The Ten Best Hubble Photographs”. Today, I follow it up with an article based on a September 25, 2001, Space.com article written by senior science writer Robert Roy Britt. “Experts Pick: Top 10 Space Science Photos” is an interesting article on ten very important photographs taken by astronomers over the years.
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Hubble Space Telescope observes when planets were babies
Written By: William Atkins
Section: Science
Category: Space
2007-01-09 11:06:36
Astronomers reported in early January 2007 that the Hubble Space Telescope observed a massive number of particles within a turbulent circumstellar disk surrounding the 12-million-old red dwarf star AU Microscopii. These particles are said by the scientists to be in the very early stage of forming planets.
Read More About Hubble Space Telescope Observes When Planets Were Babies...
Written By: William Atkins
Section: Science
Category: Space
2007-01-09 11:06:36
Astronomers reported in early January 2007 that the Hubble Space Telescope observed a massive number of particles within a turbulent circumstellar disk surrounding the 12-million-old red dwarf star AU Microscopii. These particles are said by the scientists to be in the very early stage of forming planets.
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Tiny new cable may spur big technological advances
Written By: Peter Dinham
Section: World Watch
Category: Reuters
2007-01-09 08:46:23
Read More About Tiny New Cable May Spur Big Technological Advances...
Written By: Peter Dinham
Section: World Watch
Category: Reuters
2007-01-09 08:46:23
WASHINGTON (Reuters) - Scientists have created a tiny cable -- much thinner than a human hair -- through which they can transmit visible light, potentially paving the way for improvements in solar energy, computing and medicine.
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Replenishing NASA’s supply of simulated lunar soil for return to the Moon
Written By: William Atkins
Section: Science
Category: Space
2007-01-04 09:30:03
We aren’t going back to the Moon without first practicing with simulated lunar soil and rocks here on the Earth. NASA needs it to simulate digging, driving, building, and for many other necessary activities while exploring the Moon and setting up a Moon base. Unfortunately, NASA is out of it.
Read More About Replenishing NASA’S Supply Of Simulated Lunar Soil For Return To The Moon...
Written By: William Atkins
Section: Science
Category: Space
2007-01-04 09:30:03
We aren’t going back to the Moon without first practicing with simulated lunar soil and rocks here on the Earth. NASA needs it to simulate digging, driving, building, and for many other necessary activities while exploring the Moon and setting up a Moon base. Unfortunately, NASA is out of it.
Read More About Replenishing NASA’S Supply Of Simulated Lunar Soil For Return To The Moon...
Compact Muon Solenoid: Largest physics experiment to be held in 2007
Written By: William Atkins
Section: Science
Category: Space
2007-01-03 11:59:06
Over the last fifteen years about 2,300 engineers and scientists from over 150 scientific institutions in 37 countries around the world have worked together to design and build a gigantic general-purpose particle detector, what is called the Compact Muon Solenoid (CMS). In 2007, they will perform the largest physics experiment ever conducted on Earth.
Read More About Compact Muon Solenoid: Largest Physics Experiment To Be Held In 2007...
Written By: William Atkins
Section: Science
Category: Space
2007-01-03 11:59:06
Over the last fifteen years about 2,300 engineers and scientists from over 150 scientific institutions in 37 countries around the world have worked together to design and build a gigantic general-purpose particle detector, what is called the Compact Muon Solenoid (CMS). In 2007, they will perform the largest physics experiment ever conducted on Earth.
Read More About Compact Muon Solenoid: Largest Physics Experiment To Be Held In 2007...
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