Let's file this post under "mistakes that Rhett made that he doesn't want to make again." If I don't write it down, I won't learn from my mistakes. How about I start this with the following problem.

The Work Energy Principle is one of the big ideas in introductory physics courses. It's so big that the textbook presentation can get a little confusing - but it doesn't have to be that way. I haven't ...

JONNY NELSON: Energy. There are lots of different types and lots of different ways of storing it. Chemical energy in a sparkler, elastic potential energy that fires a toy into the air, and many, many ...

This is a preview. Log in through your library . Abstract We give a proof following Carleman that among measurable bodies in R3 of mass m0 and density at most 1, a round ball of unit density uniquely ...

Energy Vault, maker of the EVx gravitational energy storage tower, has secured $100 million in series C funding. The investment was led by Prime Movers Lab, with additional participation from SoftBank ...

How does a yo-yo work? asks a reader.Can you Hop the Fence, Milk the Cow, Ride the Horse, and then Walk the Dog -- without ever setting foot on a farm? If so, you're probably familiar with yo-yo ...

Banner image: A pulsar ejecting a plume of energy. (Credit: NASA/HST/ASU/J. Hester et al.) Scientists have used a “galaxy-sized” space observatory to find possible hints of a unique signal from ...

Recent findings suggest a potential shift in our understanding of the universe’s expansion. After decades of acceleration, the universe might be slowing down, challenging the long-held belief of a ...

Gravitational potential energy is the energy an object has by virtue of its position above the surface of the Earth. When an object is lifted, work is done. When work is done in raising the height of ...