News tagged with negative refraction
Perfect image without metamaterials... and a reprieve for silicon chips (w/ Video)
Sep 29, 2009 |
2.9 / 5 (17) |
6
(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 ...
Invisibility cloak now within sight: scientists (Update 2)
Aug 11, 2008 |
4.5 / 5 (88) |
15
(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 ...
Search results for negative refraction
Under Pressure: The Impact of Stress on Decision Making
Medicine & Health / Psychology & Psychiatry
7 hours ago |
1 / 5 (1) |
0
(PhysOrg.com) -- We are faced with making decisions all the time. Often, we will carefully deliberate the pros and cons of each item, taking into consideration past experiences with similar situations before making our ultimate ...
Fertility procedures need not delay breast cancer treatment for younger women
12 hours ago |
not rated yet |
0
A new study published in the November issue of the Journal of the American College of Surgeons shows that breast cancer patients under 40 years old who undergo fertility preservation do not face a significant delay in the ...
Coffee break: Compound brewing new research in colon, breast cancer (w/ Podcast)
12 hours ago |
not rated yet |
0
A compound in coffee has been found to be estrogenic in studies by Texas AgriLife Research scientists.
The narrow line between love and jealousy
Medicine & Health / Psychology & Psychiatry
13 hours ago |
not rated yet |
0
A new study carried out at the University of Haifa has found that the hormone oxytocin, the "love hormone", which affects behaviors such as trust, empathy and generosity, also affects opposite behaviors, such as jealousy ...
Dreams may have an important physiological function
Medicine & Health / Neuroscience
15 hours ago |
3.7 / 5 (15) |
7
(PhysOrg.com) -- Dreams have long been assumed to have psychological functions such as consolidating emotional memories and processing experiences or problems, but according to a Harvard psychiatrist and sleep ...
Research shows avatars can negatively affect users
Other Sciences / Social Sciences
Nov 10, 2009 |
3 / 5 (4) |
1
(PhysOrg.com) -- Although often seen as an inconsequential feature of digital technologies, one's self-representation, or avatar, in a virtual environment can affect the user's thoughts, according to research by a University ...
New study sheds light on brain's response to distress, unexpected events (w/ Video)
Medicine & Health / Psychology & Psychiatry
Nov 10, 2009 |
5 / 5 (1) |
0
In a new study, psychologists at the University of Alabama at Birmingham (UAB) are able to see in detail for the first time how various regions of the human brain respond when people experience an unexpected or traumatic ...
'Emotions increase or decrease pain': researchers
Nov 10, 2009 |
5 / 5 (3) |
0
Getting a flu shot this fall? Canadians scientists have found that focusing on a pretty image could alleviate the sting of that vaccine. According to a new Université de Montréal study, published in the latest ...
Discussing adverse events with patients improves how they rate their hospital care
Nov 10, 2009 |
not rated yet |
0
A survey of patients had who experienced some sort of adverse event during their hospitalization found that, although caregivers discussed the event with patients less than half the time, those patients to whom the adverse ...
The upside of feeling down
Medicine & Health / Psychology & Psychiatry
Nov 09, 2009 |
4.4 / 5 (18) |
4
A chill wind chases you into the door of your local newsagent. Rain is drumming down outside. As you pay for your newspaper, you briefly notice a number of strange items on the checkout counter - a matchbox ...
List of search results for negative refraction
