The molecule has “excited” states as well, in which its atoms undulate or swing about. A photon of 15-micron light contains the exact energy required to set the carbon atom swirling about the ...
If you've ever seen a dolphin swim, you may have wondered why they undulate their bodies up and down when swimming, instead of side to side as fishes do. Though they have a fishlike body ...
But don't worry, they can sense you from as far away as a ripple will travel, Mark says, and if they're near enough, they'll either undulate over like a living ribbon or they'll "inchworm" along ...
But its long spines continue to undulate gently in the current, making it appear to be alive. Keus slides the fish into a cylindrical plastic container called a ZooKeeper, specially built to ...
Here, the grassy, low-slung roofs of the Vikings' simple homes and work huts undulate like Nordic echo waves on the open, seaside landscape. Today you can step back a thousand years—but with a ...