News tagged with negative
Invisibility cloak now within sight: scientists (Update 2)
Aug 11, 2008 |
4.5 / 5 (88) |
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(PhysOrg.com) -- Scientists at the University of California, Berkeley, have for the first time engineered 3-D materials that can reverse the natural direction of visible and near-infrared light, a development ...
Practical Cloaking Devices On The Horizon?
Aug 10, 2008 |
4.5 / 5 (32) |
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(PhysOrg.com) -- Invisibility cloaks get a step closer to realization, with the demonstration of a new material that can bend (visible) light the 'wrong' way for the first time in three dimensions.
Renewable Energy Made by Mixing Salt and Fresh Water
Sep 02, 2009 |
4.3 / 5 (27) |
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(PhysOrg.com) -- When a river flows into the sea, the location is more than just a haven for water commerce. The mixing of fresh and salt water that occurs at an estuary also dissipates energy, as the different ...
Half of women have negative feelings about 1-night stands
Medicine & Health / Psychology & Psychiatry
Jun 25, 2008 |
4.2 / 5 (26) |
7
The sexual and feminist revolutions were supposed to free women to enjoy casual sex just as men always had. Yet according to Professor Anne Campbell from Durham University in the UK, the negative feelings reported by women ...
How Small is Too Small? Researchers Find that Polarization Changes at the Nanoscale
Sep 08, 2008 |
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(PhysOrg.com) -- How small is too small to be useful? Researchers at North Carolina State University have done nanoscale analysis on ferroelectric thin films – materials that are used in electronic devices from computer ...
Step back to move forward emotionally, study suggests
Medicine & Health / Psychology & Psychiatry
Sep 23, 2008 |
4.2 / 5 (23) |
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When you're upset or depressed, should you analyze your feelings to figure out what's wrong? Or should you just forget about it and move on?
From 12 years onward you learn differently
Sep 25, 2008 |
4.2 / 5 (17) |
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Eight-year-old children have a radically different learning strategy from twelve-year-olds and adults. Eight-year-olds learn primarily from positive feedback ('Well done!'), whereas negative feedback ('Got it wrong this time') ...
The problem with self-help books: Study shows the negative side to positive self-statements
Medicine & Health / Psychology & Psychiatry
Jul 02, 2009 |
4.6 / 5 (15) |
7
In times of doubt and uncertainty, many Americans turn to self-help books in search of encouragement, guidance and self-affirmation. The positive self-statements suggested in these books, such as "I am a lovable person" or ...
Old and young brains rely on different systems to remember emotional content
Medicine & Health / Psychology & Psychiatry
Dec 16, 2008 |
4.8 / 5 (14) |
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Neuroscientists from Duke University Medical Center have discovered that older people use their brains differently than younger people when it comes to storing memories, particularly those associated with negative emotions.
Achieving Fame, Wealth, and Beauty are Psychological Dead Ends, Study Says
Medicine & Health / Psychology & Psychiatry
May 14, 2009 |
3.9 / 5 (14) |
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(PhysOrg.com) -- If you think having loads of money, fetching looks, or the admiration of many will improve your life — think again. A new study by three University of Rochester researchers demonstrates that progress on these ...
Perfect image without metamaterials... and a reprieve for silicon chips (w/ Video)
Sep 29, 2009 |
2.9 / 5 (17) |
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(PhysOrg.com) -- Since 2000, John Pendry's work on metamaterials has been at the van guard of efforts to create a perfect image - images with perfect resolution that can stem from light being moved in odd ...
Depressed people have trouble learning 'good things in life'
Medicine & Health / Psychology & Psychiatry
Mar 18, 2009 |
4.6 / 5 (10) |
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(PhysOrg.com) -- While depression is often linked to negative thoughts and emotions, a new study suggests the real problem may be a failure to appreciate positive experiences.
Study: Body posture affects confidence in your own thoughts
Medicine & Health / Psychology & Psychiatry
Oct 05, 2009 |
4.5 / 5 (10) |
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(PhysOrg.com) -- Sitting up straight in your chair isn't just good for your posture - it also gives you more confidence in your own thoughts, according to a new study.
New study finds possible clues to epilepsy, autism
Dec 09, 2008 |
4.8 / 5 (9) |
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Rice University researchers have found a potential clue to the roots of epilepsy, autism, schizophrenia and other neurological disorders.
Why Saints Sin and Sinners Get Saintly
Medicine & Health / Psychology & Psychiatry
Jun 26, 2009 |
4.2 / 5 (10) |
6
(PhysOrg.com) -- To many, New York Gov. Eliott Spitzer's fall from grace seemed to make no sense at all. But a new Northwestern University study offers provocative insights that possibly could relate to why the storm trooper ...
