Chemists, engineers craft adjustable arrays of microscopic lenses
They number in the thousands, light striking the phalanx of lenses arrayed on a face in geometric pattern, the beams refracting through transparent mounds no wider than a hair.
They number in the thousands, light striking the phalanx of lenses arrayed on a face in geometric pattern, the beams refracting through transparent mounds no wider than a hair.
Polymers
Oct 23, 2023
0
61
Biodegradable plastics have been advertised as one solution to the plastic pollution problem bedeviling the world, but today's "compostable" plastic bags, utensils and cup lids don't break down during typical composting and ...
Polymers
Apr 21, 2021
4
1345
A new Tel Aviv University study describes a process to make bioplastic polymers that don't require land or fresh water—resources that are scarce in much of the world. The polymer is derived from microorganisms that feed ...
Polymers
Dec 24, 2018
17
1862
Polyester is the second most used textile in the world and an environmental menace, especially because most of it never gets recycled. The fabric, a blend of plastic and cotton, has been difficult for the industry to separate ...
Polymers
Aug 4, 2023
1
298
A thin film that reflects light in intriguing ways could be used to make road signs that shine brightly and change color at night, according to a study that will be published on Aug. 9 in Science Advances.
Polymers
Aug 9, 2019
15
235
Army-funded researchers discovered how to make materials capable of self-propulsion, allowing materials to move without motors or hands.
Polymers
Feb 1, 2021
1
325
A team of researchers from the Georgia Institute of Technology and The Ohio State University has developed a soft polymer material, called magnetic shape memory polymer, that uses magnetic fields to transform into a variety ...
Polymers
Dec 10, 2019
2
720
Imagine a person on the ground guiding an airborne drone that harnesses its energy from a laser beam, eliminating the need for carrying a bulky onboard battery.
Polymers
Aug 18, 2023
1
896
A research team led by a chemist at the University of California, Riverside has fabricated microscopic polymer beads that change color instantly and reversibly when external magnetic fields acting upon the microspheres change ...
Polymers
Jun 16, 2009
2
1
Two physicists from the University of Warwick have taken to the kitchen to explain the complexity surrounding what they say is one of the last big mysteries in polymer physics.
Polymers
Dec 1, 2014
0
1