Quantcast
issue
Read articles, including Science News stories written for ages 9-14, on the SNK website.
STOPPING POWER

A nanosized glass bead traveling 1.5 kilometers per second is halted by a polyurethanelike material, seen here in cross-section. Red indicates locations where the material has been most compressed on impact. Credit: Thomas lab/Rice Univ.

Follow Us
blogs & columns
multimedia
Not to miss
bookshelf