The nation's aging infrastructure requires massive investment. The American Society of Civil Engineers estimates the U.S. needs to spend some $4.5 trillion by 2025 to fix the country's roads, bridges, dams and other infrastructure.
Engineering
May 4, 2018
0
136
A new study challenges the notion that the atomic structure of glass is indistinguishable from that of a liquid—at least for a certain kind of glass called "amorphous ice" that forms when water is cooled to very low temperatures.
Condensed Matter
Oct 3, 2017
3
337
For the last decade, scientists have sought topological insulators, materials that are insulating on the inside but conduct current on their surfaces. Although first predicted around 2005, very few real-world examples have ...
Condensed Matter
Jul 25, 2017
0
19
A material with the perovskite crystal structure has become very popular for solar cells. While most perovskites are inorganic compounds, this new material is a hybrid of relatively inexpensive organic and inorganic materials. ...
Condensed Matter
Mar 21, 2017
0
9
Polylactic acid, or PLA, is a biodegradable polymer commonly used to make a variety of products from disposable cups to medical implants to drug delivery systems. A team of Brown University researchers has shown that by treating ...
Polymers
Jul 25, 2016
0
12
How nature makes its biominerals—things like teeth, bone and seashells—is a playbook scientists have long been trying to read.
Materials Science
Oct 20, 2015
0
51
The color of dinosaurs is a fascinating topic, and in recent years the discovery of melanosomes - small, pigment-filled sacs - associated with fossilized dinosaur feathers has given rise to all sorts of speculation about ...
Archaeology
Oct 5, 2015
0
37
Glass ranks as one of the most important materials of our age. You have only to think about smartphones, or drinking glasses, or look out of the window to realise that glass in its various forms is omnipresent. Fibre-optic ...
Condensed Matter
Jun 5, 2014
0
0
(Phys.org) —The lightweight skeletons of organisms such as sea sponges display a strength that far exceeds that of manmade products constructed from similar materials. Scientists have long suspected that the difference ...
Nanomaterials
Sep 5, 2013
1
0
If a liquid metal alloy is cooled slowly it will eventually form a solid phase. Before it solidifies, however, the liquid undergoes a liquid-liquid transition to a phase in which it has the same concentration but a more ...
Condensed Matter
Jul 5, 2013
1
0
