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New hybrid sweetgum trees could boost paper, bioenergy production

Green Car Congress

Researchers at the University of Georgia (UGA) have crossed American sweetgums with their Chinese cousins, creating hybrid sweetgum trees that have a better growth rate and denser wood than natives, and can produce fiber year-round. Merkle said the timing for a new hardwood hybrid lines up with an uptick in prices for hardwood timber.

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One Atmospheric Nuclear Explosion Could Take Out the Power Grid

Cars That Think

In July, Chinese researchers urged their government to increase the country's readiness for defending against a high-altitude electromagnetic pulse (EMP) attack. Over 1,000 miles away, the blast knocked out electricity supply in parts of Hawaii and disrupted telephone service for a period of time. conducted an atmospheric test of a 1.45