How glowsticks work

Glowsticks, sometimes referred to as lightsticks, are often used by campers, hunters and children when trick-or-treating. They can help guide people on a path, be left as warning markers for drivers, or be worn as a colorful decoration. Glowsticks and glow necklaces and bracelets are a common sight at both rave parties and concerts. These […]

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How F/A-18s Hornet Work

There are two distinct types of F/A-18’s. The older F/A-18 is referred to as the Hornet and was put into use in 1980’s and saw its first major action in the Gulf War. The new F/A-18 has improved upon the Hornet’s capabilities and is commonly known as the Super Hornet. Both the Hornet and Super […]

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How Building Implosions Work

How do you take down an old 20-story building in the middle of a busy city quickly and cost-effectively? Well, implode it. WHAT IS IMPLOSION? Implosion is the direct opposite of the explosion. Everyone has seen an explosion – a charge goes off and something solid is ripped into a lot of little pieces that […]

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How Nanotechnology Works

Nanotechnology epitomizes the very height of scientific achievement. It also represents the next major threshold of technological advancement facing mankind today. Its impact will have an incalculable effect on every aspect of humanity from everyday living to the major industries that provide us with the things we need to function as a society and a […]

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How atom smashers work

Atom smasher is the much more descriptive name given to a particle accelerator. Both of these terms are telling. Atom smashers do, in fact, smash atoms. They do this by accelerating a part of an atom (particle) to high speeds and then targeting another atom’s nucleus. Without these machines, scientists would not be able to […]

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How cable television works

The earliest cable television systems were started out of necessity. The four available broadcast networks sent out their signals through a series of tower antennas, which meant that individual television sets had to be in a direct line of sight for best reception. Those who lived in low-lying areas or mountainous regions would only receive […]

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How Bridges Work

There are short bridges and there are long bridges, but all bridges have two things in common. No matter what size the bridge is, they have to deal with compression and tension. All bridges are engineering marvels, because they can hold such heavy loads while spanning such long distances. Every bridge has to have good […]

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How radar works

Radar technology began as top secret work by the British military during World War II, but has now become a very commonplace technology. Meteorologists use radar to detect cloud formations, military pilots use radar to pinpoint enemy aircraft, geologists use ground-penetrating radar to outline buried objects and coaches use radar to time a pitcher’s throwing […]

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How solar cells work

Solar cells, also called photovoltaic cells, have become much more common in recent years. These cells power everything from handheld calculators to household electrical systems to the most high-tech space vehicles. Solar cells were used to power an experimental airplane, as well as prototypes for sunlight-powered automobiles. Solar energy has tremendous potential as an alternative […]

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How Do Elevators Work?

In the earliest days of passenger elevators, a trained elevator operator would be employed to accommodate users. Would-be passengers would activate a mechanical or rudimentary electrical signal and the operator would manually throw a switch to activate the elevator’s motor. There were no buttons for individual floors- the operator had to be told which floors […]

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