Supercomputers without waste heat

Generally speaking, magnetism and the lossless flow of electrical current ("superconductivity") are competing phenomena that cannot coexist in the same sample. However, for building supercomputers, synergetically combining ...

Researchers find a way to peel slimy biofilms like old stickers

Slimy, hard-to-clean bacterial mats called biofilms cause problems ranging from medical infections to clogged drains and fouled industrial equipment. Now, researchers at Princeton have found a way to cleanly and completely ...

Scientists produce high-strength plaster entirely from waste

About 5 tons of phosphogypsum is generated per ton of phosphoric acid production, and worldwide, phosphogypsum generation is estimated to be around 100 to 280 MT per year. Globally, 15 percent is recycled as building materials, ...

Rare-earth elements in mining industry's waste piles

If rare-earth metals can be extracted from previously quarried ore, the environmental hazards of new mines and mining waste can be mitigated. In his doctoral research, Wenzhong Zhang from the Department of Chemistry at the ...

China expands ban on waste imports

China will expand its ban on imports of solid waste, local media reported Monday, almost a year after its first curbs caused havoc in countries that sent their rubbish to the Asian giant.

A novel approach to recycling construction waste

The construction industry is one of the most resource-intensive sectors of the German economy. The nation's buildings constitute a vast store of raw materials, harboring some 100 billion metric tons of materials that could ...

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