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Hurricane proof building
Tornadoes, cyclones, and other strong winds damage or destroy many buildings. Here are some architectural design ... > more -
Breaking wave
In physics, a breaking wave is a wave whose amplitude reaches a critical level at which some process can suddenly start to occur that causes large amounts of wave energy to be dissipated. At this ... > more -
Global warming
Global warming refers to the increase in the average temperature of the Earth's near-surface air and oceans in recent decades and its projected continuation. The global average air temperature ... > more -
Cruise missile
A cruise missile is a guided missile which uses a lifting wing and most often a jet propulsion system to allow sustained flight. Cruise missiles are, in essence, unmanned aircraft. They are generally ... > more -
Transformer
A transformer is an electrical device that transfers energy from one circuit to another by magnetic coupling with no moving parts. A transformer comprises two or more coupled windings, or a single ... > more -
Collapse of the World Trade Center
On September 11, 2001, the two main towers of the World Trade Center complex were each hit by hijacked commercial aircraft as part of the September 11, 2001 attacks. 2 WTC collapsed to the ground at ... > more -
Marie Curie
Marie Curie (November 7, 1867 to July 4, 1934) was a chemist, pioneer in the early field of radiology and a two-time Nobel ... > more -
Tensile strength
Tensile strength measures the force required to pull something such as rope, wire, or a structural beam to the point where it breaks. The tensile strength of a material is the maximum amount of ... > more -
Antikythera mechanism
The Antikythera mechanism is an ancient mechanical analog computer (as opposed to digital computer) designed to calculate astronomical positions. It was discovered in the Antikythera wreck off the ... > more
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