Uncategorized

  1. Tech

    Device fingers chemical thugs at scene

    A compact, new instrument exploits quantum mechanics to rapidly identify illegal drugs, pollutants, and other chemicals, on the spot.

    By Peter Weiss
  2. Tech

    Robosaur roams with spring in its step

    The novel dinosaur robot Troodon takes two-legged walking machines onto new terrain.

    By Peter Weiss
  3. Tech

    Polymer takes dim view of explosives

    By spraying surfaces with a light-emitting polymer, researchers have taken a step toward making new sensors for traces of common explosives.

    By Peter Weiss
  4. Paleontology

    Sahara yields second-largest dinosaur

    Excavations near an Egyptian oasis have unearthed the fossils of an animal that probably ranks as the second-most-massive dinosaur known.