Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I ...

Historically, dowsing entailed using two metal rods to help find lost items or natural resources such as water and minerals. How does a pendulum work? So, what actually causes the pendulum to move, ...

The proof, known to be so hard that a mathematician once offered 10 martinis to whoever could figure it out, uses number ...

Platitudes are the usual faire when discussing great business partnerships. At our first anniversary we're getting into the ...

How do we know the speed of light – and why does it have a speed limit at all? Leah Crane explores the history of one of the ...

Two decades ago, the mathematician Moon Duchin spent her summers teaching geometry at Mathcamp, a program for mathematically talented teens. Campers contemplated notions such as how to prove whether a ...

The human visual system provides us with a rich and meaningful percept of the world, transforming retinal signals into visuo-semantic representations. For a model of these representations, here we ...

Explore stock market trends, AI investment risks, and the impact of liquidity shifts. Click for my updated look at the impact of Federal Reserve policy on stocks.

Our bodies move in various directions to perform tasks such as picking up a child, carrying luggage, or getting up and down from the floor. Functional core workouts strengthen the core muscles in all ...

Calculating the cost of goods sold gives a business insight into its performance and helps calculate profit. Many, or all, of the products featured on this page are from our advertising partners who ...