FeaturesCOMPOSITES VS. METALS
Composite materials are revolutionizing modern airliners. Designers like them for their reduced weight and durability. But metal makers are feeling reinvigorated by the advent of additive manufacturing.
AVIATION AFTER GERMANWINGS FLIGHT 9525
The flying public, regulators and academics are pondering safety improvements following the deaths of 150 passengers and crew at the hands of an apparently suicidal pilot.
by Kyung M. Song and Philip Butterworth-Hayes
CLEANING UP SPACE
Once upon a time, only space wonks worried about space debris. The problem is fast becoming a boardroom issue, given all the new proposals to populate low Earth orbit with swarms of small commercial satellites.
by Debra Werner
Soviet cosmonaut Anatoly Berezovoy made only one space flight during his career. His 1982 mission, the first expedition to the Salyut 7 space station, lasted a then-record of 211 days. During much of Berezovoy’s time in space, he chronicled his observations on paper.
by Anatoly Zak