Physics
- Materials Science
Thin Jet Flies Two for One: Double streams yield sheathed nanoballs, fibers
Researchers have used powerful electric fields to stretch liquids into ultrathin jets in which a stream of one liquid encloses the stream of another.
- Materials Science
Materials Take Wing
Materials scientists are finding new uses for the billions of pounds of feathers produced each year by the poultry industry.
- Physics
A new way to stick it to flies
Researchers have measured the amount of static charge that a walking house fly generates.
- Materials Science
Better Stainless: Analysis could bring pits out of the steel
The key to developing pit-resistant stainless steel is to correct the dearth of chromium atoms around inclusions in the alloy.
- Materials Science
Scientists make nanothermometer
A carbon nanotube filled with gallium can be used to measure temperatures in microscopic environments.
- Physics
Light comes to halt again—in a solid
By stopping laser light pulses cold in a crystal, storing them, and then releasing them, physicists have achieved the same feat accomplished last year in gases, but this time in a more practical material.
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- Materials Science
Carbon pods are more than a pack of peas
Researchers have found that they can manipulate the electronic properties of nanoscopic carbon structures.
- Physics
Anatomy of a Lightning Ball
Metallic fuzz, acid droplets, or other fairy dust may conjure up ball lightning (with video clips).
- Physics
Balloon bursts give clue to fast cracks
A casual observation about the edges of popped balloons may have led researchers to previously unknown features of the most common and least understood types of fractures.
- Materials Science
Metallic materials made to order
A new process for creating specifically patterned, three-dimensional microstructures could lead to new catalysts or optoelectronic devices.
- Materials Science
Mammal cells make fake spider silk better
Using long and abundant water-soluble proteins secreted by bioengineered mammal cells, scientists have spun the first artificial spider silk demonstrated to have some of the remarkable mechanical properties of the real thing.
