These methods convert ambient energy in the forms of light, vibration, heat, radio waves and so forth into electricity.

FORBES: Wanted Dead or Alive: Humans for Energy Harvesting

The lack of vibration motors leaves the Atlas understandably light, but its low weight makes it feel a tad more fragile than it appears to be.

ENGADGET: Green Throttle Games Atlas and Arena hands-on (video)

Changes in the ions' vibration rate were measured by bouncing laser light off them.

ECONOMIST: Scientists measure a few yoctonewtons for the first time

Lasers use a light beam to cut away tooth decay before filling cavities, resulting in less vibration and pain than traditional drills, says Barry Jacobson, a pediatric dentist at Mount Sinai Medical Center in New York.

WSJ: To Cut Tooth Decay: A Laser vs. a Drill

In This Light and on This Evening is a wonderful work, and everything about it apart from the vibration of Tom Smith's vocal chords and the strings of Chris Urbanowicz's guitar is the product of digital technologies, first in the studio and as then it is distributed and played.

BBC: It's digital, but is it art?