Large-area electronic-grade graphene grows on the cheap

The electronics industry might look very different today were it not for the dramatic drop in cost of high-quality single-crystalline silicon wafers over the past five decades. So what would happen if the cost of single-crystalline ...

Researchers improve efficiency of low-cost solar cells

(PhysOrg.com) -- As part of the recent progress in improving solar cells for widespread use, researchers from Purdue University have designed solar cells made of low-cost, abundant materials that are easily scalable and very ...

Scientists Investigate Cause of 'Singing Dunes'

(PhysOrg.com) -- In more than 30 locations around the world, the phenomenon of singing sand dunes has intrigued explorers, tourists, and scientists. When an avalanche occurs or even when the sand is pushed by hand, it emits ...

Going super small to get super strong metals

You can't see them, but most of the metals around you—coins, silverware, even the steel beams holding up buildings and overpasses—are made up of tiny metal grains. Under a powerful enough microscope, you can see interlocking ...

Adding copper strengthens 3-D-printed titanium

Successful trials of titanium-copper alloys for 3-D printing could kickstart a new range of high-performance alloys for medical device, defence and aerospace applications.

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