News tagged with core
Wind shifts may stir CO2 from Antarctic depths
Space & Earth / Earth Sciences
Mar 12, 2009 |
4.2 / 5 (69) |
6
Natural releases of carbon dioxide from the Southern Ocean due to shifting wind patterns could have amplified global warming at the end of the last ice age--and could be repeated as manmade warming proceeds, ...
Surprisingly rapid changes in the Earth's core discovered
Space & Earth / Earth Sciences
Jul 07, 2008 |
4.2 / 5 (68) |
11
In a recent paper published in Nature Geoscience, the geophysicist Mioara MANDEA from the GFZ German Research Centre for Geosciences, Potsdam and her Danish colleague Nils OLSEN from the National Space Institute/DTU Copenh ...
Global warming: Our best guess is likely wrong
Space & Earth / Earth Sciences
Jul 14, 2009 |
4.6 / 5 (49) |
54
No one knows exactly how much Earth's climate will warm due to carbon emissions, but a new study this week suggests scientists' best predictions about global warming might be incorrect.
Dell Talking About 80-Core Chip Processor
Nov 20, 2008 |
4.2 / 5 (43) |
10
(PhysOrg.com) -- This week Michael Dell (CEO of Dell) gave a slide presentation that included Intel´s recently developed 80-core processor. This isn't the first time that the 80-core chip was mentioned in ...
Exploring the function of sleep
Biology /
Aug 26, 2008 |
4.3 / 5 (35) |
7
Is sleep essential? Ask that question to a sleep-deprived new parent or a student who has just pulled an "all-nighter," and the answer will be a grouchy, "Of course!"
New insights into centre of the Earth
Space & Earth / Earth Sciences
Aug 15, 2008 |
4.4 / 5 (30) |
2
A new observation of the very deepest part of the Earth, the solid inner core, has been reported this week in Nature. The team from the University of Bristol also observed intriguing evidence of a ‘texture’ in the ...
Moore's Law Marches on at Intel
Sep 22, 2009 |
4.3 / 5 (30) |
10
Intel President and CEO Paul Otellini today displayed a silicon wafer containing the world's first working chips built on 22nm process technology. The 22nm test circuits include both SRAM memory as well as ...
Global warming likely to be amplified by slow changes to Earth systems
Space & Earth / Earth Sciences
Dec 20, 2009 |
2.8 / 5 (44) |
49
Researchers studying a period of high carbon dioxide levels and warm climate several million years ago have concluded that slow changes such as melting ice sheets amplified the initial warming caused by greenhouse ...
Previously Unknown Volcanic Eruption Helped Trigger Cold Decade
Space & Earth / Earth Sciences
Oct 29, 2009 |
4.3 / 5 (27) |
9
(PhysOrg.com) -- A team of chemists from the U.S. and France has found compelling evidence of a previously undocumented large volcanic eruption that occurred exactly 200 years ago, in 1809.
Intel Launches Core i7 -- Fastest Processor on the Planet
Nov 18, 2008 |
3.7 / 5 (30) |
1
Intel Corporation introduced its most advanced desktop processor ever, the Intel Core i7 processor. The Core i7 processor is the first member of a new family of Nehalem processor designs and is the most sophisticated ...
The slow-spin zone at the core of the sun
Oct 24, 2008 |
4.8 / 5 (23) |
1
(PhysOrg.com) -- The dense, hot, radioactive core of the Sun rotates significantly more slowly than the layer next to it, the radiative zone, a Stanford solar physicist has concluded.
Mysteriously warm times in Antarctica
Space & Earth / Earth Sciences
Nov 18, 2009 |
4.2 / 5 (26) |
31
(PhysOrg.com) -- A new study of Antarctica's past climate reveals that temperatures during the warm periods between ice ages (interglacials) may have been higher than previously thought. The latest analysis ...
Rapid supernova could be new class of exploding star
Nov 05, 2009 |
4.7 / 5 (18) |
6
(PhysOrg.com) -- An unusual supernova rediscovered in seven-year-old data may be the first example of a new type of exploding star, possibly from a binary star system where helium flows from one white dwarf ...
For the First Time, Scientists Measure the Size of a One-Neutron Halo with Lasers
Feb 20, 2009 |
4.8 / 5 (17) |
3
Atomic nuclei are normally compact structures defined by a sharp border. About twenty-five years ago, it was discovered at the University of California in Berkeley that there are exceptions to this picture: ...
Close relationship between past warming and sea-level rise
Space & Earth / Earth Sciences
Jun 22, 2009 |
3.8 / 5 (19) |
2
Scientists from the National Oceanography Centre, Southampton, along with colleagues from Tuebingen and Bristol have reconstructed sea-level fluctuations over the last 520,000 years. Comparison of this record with data on ...
