01/09/2011

Early detection of plant disease

Each year, plant viruses and fungal attacks lead to crop losses of up to 30 percent. That is why it is important to detect plant disease early on. Yet laboratory tests are expensive and often time-consuming. Researchers are ...

Saving electricity while playing

The federal government of Germany has decided to accelerate change in energy policy. But the transition will succeed only with the help of the consumers. They are called upon to use the energy from renewable resources in ...

Wireless window contacts -- no maintenance, no batteries

Window contacts tell us which of a house’s windows are open or closed. Researchers have now developed a fail-safe system that is particularly easy to use and needs no wiring or batteries. The sensors harvest the energy ...

Chatty robots go viral on YouTube

(PhysOrg.com) -- An online chat between two robots set up by Cornell students is entertaining the nation.

Researchers show ATM theft by thermal imaging

(PhysOrg.com) -- A paper presented at the August USENIX Security Symposium (USENIX Security '11) in San Francisco explains how PINs can be stolen using digital cameras capable of thermal imaging. The paper, "Heat of the Moment: ...

Tasmanian tiger's jaw was too small to attack sheep, study shows

Australia's iconic thylacine, or Tasmanian tiger, was hunted to death in the early Twentieth century for allegedly killing sheep; however, a new study published in the Zoological Society of London's Journal of Zoology has ...

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