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Satellite radar data shows the complete destruction of the Ukrainian city of Bakhmut. Xu et al. (2024)

War in Ukraine at 2 years: Destruction seen from space – via radar

Satellite photography of the Ukrainian city of Bakhmut shows block after block of destroyed buildings. Satellite radar provides a different view – a systematic look at the destruction of the whole city.
New infrared technology could make homes more energy efficient. Olivier Le Moal/Shutterstock

Five reasons to heat your home using infrared fabric

New infrared fabric technology is easy to install, cheap to run and affordable so it has huge potential as a future alternative to heat pumps, especially for retrofit projects.
In addition to a player’s ability to throw it, a number of factors will influence a ball’s flight, including its size, inflation pressure and texture. (Shutterstock)

Higher, faster: what influences the aerodynamics of a football?

A football’s dimensions, pressure and texture affect its aerodynamics, i.e. the forces exerted by the air on the ball as it flies.
Letting AI do the dirty work of programming frees students to work on problem-solving. Issarawat Tattong/Moment via Getty Images

AI helps students skip right to the good stuff in this intro programming course

Learning to program requires mastering the nitty-gritty of code syntax. Generative AI turns out to be good at that. Adding AI to intro programming courses frees students to focus on problem-solving.

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