Materials Science
- Materials Science
Nanotubes get as small as they can
Two research teams have created stable carbon nanotubes with the smallest diameter that scientists believe is physically possible, at just 0.4 nanometer across.
- Materials Science
Making Stuff Last
Chemistry and materials science step up to preserve history, old and new.
- Materials Science
Electronics Detox: Leadfree material for ecofriendly gadgetry
Responding to growing concern over the disposal of electronic devices, scientists in Japan have created a lead-free piezoceramic that could replace the toxic components in many of these gadgets.
- Materials Science
Metal Makeover
Metallic glasses with extraordinary strength and corrosion resistance have been known for decades, but only recently have researchers been able to make such alloys on a large scale from inexpensive iron.
By Peter Weiss - Materials Science
Anyone want to knit a microscopic sweater?
Microscopic polymer tubes can tangle themselves into a new and possibly useful structure—tiny "yarn balls" that flatten out and partly unravel in an electric field.
By Peter Weiss - Materials Science
Reversible gel restores artwork
To help conservationists restore paintings to their original glory without damaging the original paint, chemists have developed a cleaning product that switches from a liquid to a gel.
- Materials Science
One-Upping Nature’s Materials
Striving for designer substances that build themselves from individual molecules.
- Materials Science
Heat-controlled implant delivers insulin on demand
The field of drug delivery is literally heating up, with the development of a new polymer implant that releases insulin in response to changes in temperature.
- Materials Science
Nanotech Goes to New Lengths: Scientists create ultralong carbon nanotubes
In an advance toward making superstrong fibers, chemists have synthesized a 4-centimeter-long carbon nanotube, the longest nanotube reported to date.
- Materials Science
Falling into Place: Atom mist yields nanobricks and mortar
Researchers have induced tiny particles of nickel to spontaneously assemble into exceptionally uniform, three-dimensional arrays of macroscopic size.
By Peter Weiss - Materials Science
Model Growth: Simulations expose branching nature of polymer crystals
Using computer models, scientists have uncovered previously unknown facets of the physics underlying polymer crystal growth.
- Materials Science
Face to Face: Crystal-growth method bodes electric payoff
A new method for growing silicon carbide eliminates crystal defects that have long prevented the compound's wider use in electric devices.
By Peter Weiss