News
- Tech
Ink-jet dots form transistor spots
A new technique makes ink-jet printing of transistor circuits possible from conductive polymer inks.
- Chemistry
Researchers stretch for improved surfaces
A surprisingly simple, new technique could create better coatings for everything from medical implants to ship hulls.
- Math
Proof clarifies a map-folding problem
Researchers have developed an efficient algorithm to determine, given a collection of creases on a piece of paper, whether a sequence of simple folds produces a flat result, like a folded road map.
- Animals
Birds may inherit their taste for the town
Tests switching cliff swallow nestlings to colonies of different sizes suggest the birds inherit their preference for group size.
