Uncategorized
-
PhysicsNanobots walk ‘n’ roll
A molecule that waddles on stubby feet and another that drives on ball-like wheels demonstrate scientists' increasing control over the usually haphazard motion of molecules on surfaces.
By Peter Weiss -
PaleontologySome plesiosaurs went for clams
The fossils of plesiosaurs recently unearthed in Australia suggest that the long-necked, aquatic reptiles had a more varied diet than scientists had previously suspected.
By Sid Perkins -
Materials ScienceBrainy bandages
Researchers have taken a step toward smart bandages that would indicate the presence of an infection in a wound.
-
19606
In the article, cleanup of radioactive particles that have seeped into porous building materials such as brick and marble appears to be difficult and expensive, even given the described breakthroughs.