Shape-shifting gels get smarter
Gels are useful: we shave, brush our teeth, and fix our hair with them; in the form of soft contact lenses they can even improve our eyesight.
Gels are useful: we shave, brush our teeth, and fix our hair with them; in the form of soft contact lenses they can even improve our eyesight.
Materials Science
Aug 17, 2015
0
33
"Oh, hello. I didn't see you there. I was just editing a weekly roundup of science news stories for Saturday morning." This is the first line from my autobiographical one-man play about having multiple Firefox tabs open.
Imagine seeing the world in muted shades—gray sky, gray grass. Some people with color blindness see everything this way, though most can't see specific colors. Tinted glasses can help, but they can't be used to correct ...
Bio & Medicine
Mar 3, 2021
1
400
Femtosecond pulsed lasers—which emit light in ultrafast bursts lasting a millionth of a billionth of a second—are powerful tools used in a range of applications from medicine and manufacturing, to sensing and precision ...
Optics & Photonics
Nov 16, 2022
1
251
Hydrogels are gelatinous amalgams of cross-linked polymers that can absorb and hold large quantities of water. Their uses vary widely. Certain hydrogels form the absorbent layer in disposable diapers, while others form the ...
Materials Science
Nov 30, 2016
0
368
(Phys.org)—A team of researchers at Johannes Kepler University Linz has developed a new type of glue that can be used to bond hydrogels to other hard or soft objects. In their paper published on the open-access site Science ...
In a recent study published in Optics Communications, scientists from Bar-Ilan University in Israel have presented a new technique that significantly reduces the halo effect that is generated when using multifocal (contact ...
Optics & Photonics
Apr 15, 2015
0
524
Inspired by the color-changing skin of cuttlefish, octopuses and squids, Rutgers engineers have created a 3-D-printed smart gel that changes shape when exposed to light, becomes "artificial muscle" and may lead to new military ...
Materials Science
Jan 5, 2021
0
808
Researchers in China have used artificial tissue to restore erectile function in pigs, a promising development for repairing penile damage in humans.
Biochemistry
Jan 4, 2023
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4
Nocturnal geckos are among the very few living creatures able to see colors at night, and scientists' discovery of series of distinct concentric zones may lead to insight into better cameras and contact lenses.
Other
May 7, 2009
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2