The density of water is 1,000 kg/ 3. Calculate the pressure exerted by the water on the bottom of a 2.0 m deep swimming pool. (Gravitational field strength = 9.8 N/kg).

Richard Hammond explores the properties of a tornado that has been created in laboratory conditions. He learns about how ...

Water trapped inside tiny molecular cavities behaves in a surprisingly energetic way, pushing outward like people crammed in an elevator. When a new molecule enters these narrow spaces, the confined ...

The CSIS Commission on U.S. Cyber Force Generation convened senior defense, technology, and national security experts over 10 months to examine how the United States can best organize and sustain a ...