technology

To ensure the safety of America's 730 million annual air travelers, all new jet engines must undergo arduous FAA safety testing—including a grueling series of static ground tests subjecting them to everything from gale force winds to simulated bird strikes. But how does one reproduce the identical test conditions needed for accurate performance measurements? You use a 32-foot wide wind baffle, of course.

The James Webb Space Telescope, NASA's next flagship space observatory, has passed a major milestone on its road to its planned 2018 launch: the delivery of the last three mirrors that will make up its complicated infrared-seeking innards.

Surprisingly the only shocking thing is that two adults agreed to shock themselves with them.