4 ms·

Alternate view: A bunch of nano machines. http://mems.sandia.gov/gallery/images.html http://mems.sandia.gov/gallery/images.html

• daten 16y ago
  Those are actually "micro" machines. That's a very different scale.
  • shadowfox 16y ago
    The author says this too: > "We don’t even have micromachines. Mechanical objects on microscales do not exist."