A Collection of Articles
Edit

Video

Light-as-Air, Heatproof Nanotube Muscles

A two-millimeter-wide strip of an airy carbon-nanotube material expands to more than three times its width when a five-kilovolt voltage is applied to it.

Uh oh–you've read all five of your free articles for this month.

Insider basic

$29.95/yr US PRICE

Subscribe
What's Included
  • 1 year (6 issues) of MIT Technology Review magazine in print OR digital format
  • Access to the entire online story archive: 1997-present
  • Special discounts to select partners
  • Discounts to our events

You've read of free articles this month.