Analyze an uphill skier problem using work, energy, and power principles. See how gravitational potential energy, applied force, and friction determine the required work and power, and learn how speed ...

Explore the work-energy approach to determine the spring constant needed for launching a spacecraft! This physics tutorial demonstrates calculations, concepts, and applications for energy, forces, and ...

Discover how existing buildings could be America’s fastest path to new usable power. The right techniques and tools could ...

Physicists from Trinity College Dublin believe new insights into the behavior of light may offer a new means of solving one ...

Most homes are full of lighting that looks good but works the same way it did decades ago. Flip a switch, light turns on.

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The rise of AI has given us an entirely new vocabulary. Here's a list of the top AI terms you need to learn, in alphabetical order.

Phoenix Mayor Kate Gallego said she was proud of the way U.S. mayors took the lead on climate issues as the White House ...