09/07/2007

A new type of spin valve that uses graphene

“Some people think that graphene, a form of carbon, is the material of the future,” Allen Goldman tells PhysOrg.com. “It’s of high scientific interest because of its unusual electronic properties.”

Size and positioning of floral anthers facilitates

Unlike moths and butterflies that are often brilliantly colored to warn potential predators that they carry toxins, flowers and the fruits they produce have brilliant colors and unusual shapes because they want to attract ...

GROND takes off

A new instrument has seen First Light at the ESO La Silla Observatory. Equipping the 2.2-m MPI/ESO telescope, GROND takes images simultaneously in seven colours. It will be mostly used to determine distances of gamma-ray ...

Stellar tiramisu -- Star surface polluted by planetary debris

Looking at the chemical composition of stars that host planets, astronomers have found that while dwarf stars often show iron enrichment on their surface, giant stars do not. The astronomers think that the planetary debris ...

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