Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

Artificial intelligence (AI) systems, particularly artificial neural networks, have proved to be highly promising tools for ...

Physics can feel inscrutable to students; this lesson helps them understand a graphing problem by analyzing their own ...

At 56, Jennifer Aniston continues to prove that age is just a number — and her secret lies in her Pvolve-inspired workouts! Her personal trainer, Dani Coleman, just revealed 3 key exercises that ...

From box jumps to lateral bounds to burpees, plyometric exercises can be…intimidating. It makes sense then if you think they’re only for a certain type of exerciser–for example, the ex-college athlete ...

Hanging by a thread: Wasp spiders, Argiope bruennichi, are known to incorporate so-called “stabilimenta” into their web structure, but the function of these “extra touches” has remained unknown.

STRENGTH: The ability to produce force. Example: NFL linebackers. POWER: The ability to produce strength in the shortest possible time. Example: Barry Bonds. SPEED: The ability to move quickly.

Is Running Good for You? Running is a popular form of exercise for a reason. It doesn’t need much equipment, and you can do it just about anywhere or anytime that’s convenient for you. Whether you ...

An ankle sprain happens when you twist, roll, or turn your ankle too far. You might land wrong after a jump, step into a hole, or slip off a curb. Ligaments, tough bands of tissue, keep your ankles ...

Whatever your heart or circulatory condition, you’ll have something to gain from exercise. Getting active could help to ease your symptoms, help you do more in your daily life, and stop your disease ...

Strong rotator cuff muscles help stabilize the shoulder and control arm movement. Shoulder exercises can prevent injuries like rotator cuff tears and improve problems like shoulder bursitis. Check ...

Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building ...