Image: Rad dishes in space

NASA astronaut Kate Rubins poses next to a thriving radish crop growing inside the Advanced Plant Habitat in the International Space Station.

Award-winning A/C uses old idea, new materials

If thirst is crucial to knowledge, then one crucial step in the evolution of air conditioning was born in the 1970s, when Ron Judkoff was a hot, thirsty Peace Corp volunteer in Kedougou, Senegal, one of the warmest places ...