For centuries, intellectuals have met at the ring-stained surfaces of coffee shops to pore over the most pressing problems of the day -- but has anyone ever pondered the coffee rings they left behind? What causes the formation ...
General Physics
Nov 24, 2010
1
0
Measurements of the collective public mood derived from millions of tweets can predict the rise and fall of the Dow Jones Industrial Average up to a week in advance with an accuracy approaching 90 percent, Indiana University ...
Mathematics
Oct 19, 2010
8
0
(PhysOrg.com) -- The next time a Boy Scout is lost in the wilderness, search and rescue teams could have better statistics on their side in deciding where to look.
Computer Sciences
Sep 8, 2010
3
0
You can think of it as origami - very high-tech origami. Researchers at the University of Illinois have developed a technique for fabricating three-dimensional, single-crystalline silicon structures from thin films by coupling ...
Nanomaterials
Nov 23, 2009
2
0
(PhysOrg.com) -- Predictions made over the last decade about the impacts of climate change on biodiversity may be exaggerated, according to a paper published in the journal Science.
Ecology
Nov 6, 2009
2
0
(PhysOrg.com) -- Climate scientists recognize that climate modeling projections include a significant level of uncertainty. A team of researchers using computing facilities at Oak Ridge National Laboratory has identified ...
Earth Sciences
Oct 21, 2009
6
0
For the first time, climate scientists from across the country have successfully incorporated the nitrogen cycle into global simulations for climate change, questioning previous assumptions regarding carbon feedback and potentially ...
Earth Sciences
Oct 9, 2009
28
0
Global climate models, such as the Energy Exascale Earth System Model developed by the U.S. Department of Energy, rely on many underlying equations that simulate Earth's natural processes. These include the water cycle, carbon ...
Earth Sciences
Apr 11, 2024
0
20
Physicists use theoretical models to study physical quantities, such as the mass of nuclei, where they do not have experimental data. However, using a single imperfect theoretical model can lead to misleading results. To ...
General Physics
Mar 11, 2024
0
11
Hurricane Idalia and the Hawaii firestorm were the most notable weather disasters in the U.S. in 2023, but they were far from the only ones.
Earth Sciences
Dec 27, 2023
0
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