The net of a 3D shape is what a shape looks like when opened into a 2D shape. The net can help to show the areas of each face that make up the surface area of a shape. The same units are needed for ...

The volume of a 3D shape is the amount of space inside it. Volume is measured in cubic units such as cm³ and m³. The volume, or capacity, of liquids is measured in millilitres or litres. The surface ...

Try this total-body workout as one of your strength sessions during any upcoming marathon training block. It features a glute ...

Develop your core with Bruce Lee's intense ab workout. Exercises like waist twists and leg raises can help you build strength ...

You might not be familiar with the term “plyometric training,’ but chances are you’ve done exercises like burpees, squat ...

The triceps extension targets all three heads for sleeve-filling size and lockout strength without taxing your shoulders or chest.

Steering the light A cross section of the electrowetting prism under actuation. A differential voltage applied across opposing electrodes will produce a tilt in the liquid-liquid interface that steers ...

Not sure whether to lift weights or do cardio for a longer life? A sports medicine doctor explains how to pick the right ...

If you’re looking for a new way to spice up your cardio routine, you should definitely consider dipping a toe—literally!—into the pool. Swimming is one of the best cardiovascular workouts out there ...

Have you ever wanted to wipe down a table hundreds of times while Elon Musk watches? Training Tesla's humanoid robot might be ...

If you’ve ever climbed stairs, carried a heavy object, hiked up a mountain, played tug of war, or done a squat, congratulations: You’ve done resistance training without even knowing it. This form of ...

When filmmaker Matt D’Avella became a dad, his training time was dramatically cut down. But instead of skipping training altogether, he teamed up with strength coach Eugene Teo to design a ‘minimalist ...