Engineering

Punching holes in opaque solar cells turns them transparent

Researchers in Korea have found an effective and inexpensive strategy to transform solar cells from opaque to transparent. Existing transparent solar cells tend to have a reddish hue and lower efficiency, but by punching ...

Business

American Airlines reaches deal with Boeing on MAX losses

American Airlines on Monday became the latest carrier to reach an agreement with Boeing on compensation to cover the financial losses connected to the 737 MAX grounding, which caused thousands of flights to be cancelled.