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 ...

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 ...

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 ...

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 ...

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 ...