Hank tells us about the awesomeness of the periodic table and the genius of the man who invented it.

The general uncertainty principle, about the concentration of a wave vs the concentration of its fourier transform, applied to two non-quantum examples before showing what it means for the Heisenberg uncertainty principle.

The general uncertainty principle, about the concentration of a wave vs the concentration of its fourier transform, applied to two non-quantum examples before showing what it means for the Heisenberg uncertainty principle.

The math of backpropagation, the algorithm by which neural networks learn.

AI can do some pretty amazing things, but if we want it to learn on its own, we're going to have to teach AI how to evolve.

The kilogram is the basic unit of mass in the metric system, but there's a serious problem: the standard that defines how much mass a kilogram actually has isn't reliable anymore

The math of backpropagation, the algorithm by which neural networks learn.

The math of backpropagation, the algorithm by which neural networks learn.

In this video Paul Andersen shows conceptual thinking in a mini-lesson on explaining stability and change. Two examples are included in the video and two additional examples are included in the linked thinking slides. ...

Hank tells us about the awesomeness of the periodic table and the genius of the man who invented it.

There are a lot of events in life that we just can’t predict, but just because something is random doesn’t mean we don’t know or can’t learn anything about it. Today, we’re going to talk about how we can extract information from...

It's 1762 BCE. As dawn breaks in the Babylonian city of Sippar, Beltani— a priestess and businesswoman— receives an urgent visit from her brother. He makes a troubling accusation: her tavern keeper has been undermining the business...

Add weight to your bicep curls with some dumbbells

Learn how to lift weights appropriately

Ernestine “Ernie” Shepherd proves age truly is just a number. At age 80 she is a personal trainer, a professional model, a competitive bodybuilder and happier and more fulfilled than she’s ever been in her life.



In...

Howcast - Learn how to strength train for parkour in this Howcast parkour video featuring expert Ann Kaczka.

Howcast - Learn how to organize a fishing tackle box from expert Captain Layne Wagner in this saltwater fishing video from Howcast.

Howcast - Learn how do an overhead press from personal trainer Erin Sharoni in this Howcast workout video.

Howcast - Learn how to do crazy eights for a female arm workout from personal trainer Erin Sharoni in this Howcast workout video.

Howcast - Learn how to do the seated calf raise for a female leg workout from personal trainer Erin Sharoni in this Howcast workout video.

Howcast - Learn four tips for the best bicep workout from personal trainer Erin Sharoni in this Howcast workout video.

Howcast - Learn how to do the best bikini workout from personal trainer Erin Sharoni in this Howcast workout video.

Howcast - Learn nine weight training tips from personal trainer Erin Sharoni in this Howcast workout video.

Howcast - Learn how to do a water aerobics deep water workout from Dancing with the Stars performer Aubree Marchione in this Howcast water workout video.