Astrophysicists map the Milky Way's 4 spiral arms

Iowa State University's Martin Pohl is part of a research team that has developed the first complete map of the Milky Way galaxy's spiral arms. The map shows the inner part of the Milky Way has two prominent, symmetric spiral ...

Strong bonds between rare-earth metals and graphene

(PhysOrg.com) -- Transistors and information storage devices are getting smaller and smaller. But, to go as small as the nanoscale, scientists must understand how just a few atoms of metals behave when deposited on a surface. 

'The robots are coming'

Alexander Stoytchev and his three graduate students recently presented one of their robot's long and shiny arms to a visitor. Here, they said, swing it around.

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