Tractor beams have hit the big time. A newly constructed device generates a beam of concentrated sound that, for the first time, exerts a continuous, perceptible tug on objects large enough to see.
Along with personal jetpacks for every man, woman, and child (sure, why not), levitation is one of those conveniences that sci-fi has long promised us but has yet to deliver, other than magnetically ...
A metamaterial is a composite material that exhibits unique properties due to its structure, and now researchers have used one featuring a small sawtooth pattern on its surface to move and position ...
As a child, you may have been pretty proud of yourself for making your own chimes out of drinking glasses filled with varying levels of water. But that pales in comparison to “Sound Pegs,” the new ...
"Wondering About Sound" is an educational film that explores the nature of sound and how it is created through vibrations. It explains that sounds can be high or low, loud or soft, and are caused by ...