EERIE FEELING Making tactile sensations more realistic doesn’t necessarily improve users’ virtual reality experience.
C.C. Berger et al/Science Robotics 2018
ROCKET BLOCKER The United States’ ground-based missile defense system, shown here in a test conducted at Vandenberg Air Force Base in California, aims to protect the U.S. from ballistic missiles.
U.S. Missile Defense Agency
MATH GETS REAL Chaos theory explains why it’s so difficult to predict weather — a small change in conditions at any point in time can have a large effect on future conditions in, for example, a hurricane’s trajectory (Tropical Storm Harvey shown).