COLUMBUS, Ohio--(BUSINESS WIRE)--The “We (Heart) Veterans Pin Design” challenge is back for its second year, inviting 4-12th grade students to put their 3D design skills to the test to show their ...

You won’t find metamaterials in nature — in fact they may seem to defy its very laws. Consider the nanoscale wrinkles in wallpapers that can completely absorb sound. Or the light-bending particles ...