For the first time, physicists have captured direct images of 'second sound,' the movement of heat sloshing back and forth within a superfluid. The results will expand scientists' understanding of ...

We're having a problem with our 2008 Honda Fit. The car runs OK, but there is a sloshing noise when we drive. It sounds like some liquid is moving back and forth up front somewhere. Any ideas? — Pat ...

In most materials, heat prefers to scatter. If left alone, a hotspot will gradually fade as it warms its surroundings. But in rare states of matter, heat can behave as a wave, moving back and forth ...

Consumer Reports has no financial relationship with advertisers on this site. Consumer Reports has no financial relationship with advertisers on this site. The most common cause is a clogged drain ...

Almost all galaxy clusters experience mergers. While a merger takes place, a specific pattern of “spiral” often can be observed in X-ray images. Such a spiral feature is due to the motion of the gas ...