There’s a common movie trope of an actor wiping their fingerprints off a gun. It seems like a simple wipe with a cloth eliminates any trace of a criminal’s guilt, but that isn’t actually the case! Scientists have developed a method that...

Jumping out of an airplane without a parachute is a last resort and should only be considered when there’s no other viable option of escape from an airplane that is “going downâ€. If you have to jump, it’s often recommended to look...

Coefficient of restitution: What is it? How is it related to the general bounciness of balls and other objects? Here's a quick, simple and basic explanation of the coefficient of restitution for kids and laymen. Basketballs bounce a lot,...

Bunkers are invulnerable establishments built to safeguard armed forces and civilians from efforts of war. An underground bunkers ability to withstand nuclear bombs depends on two parametersthe bunkers design and the bombs explosion...

Friction is the resistance that one object or surface experiences when moving over another object or surface. The two types of friction that come into play when moving two objects against one another are static and kinetic. Static...

Lying on the lowest point on the Earth, the hypersaline Dead Sea is one of the most fascinating places on this planet. People float effortlessly here and that is the major attraction of the Dead Sea. But besides this natural buoyancy,...

The appearance of patches of different colors on roads on a rainy day is due to a combination of oil, water, and light rays. When it rains, the oil on the road comes in contact with water, and the light rays bounce off the surface of the...

An increase in Earths rotational speed could have various impacts on life: ranging from increased earthquakes and tsunamis to a shortening of the length of the day. People could be floating in central Africa while the polar ice might...

There are many planets in the universe, but very few of them have qualities to support life Taking one celestial body at a time and determining whether it supports life would be slow and inefficient. So, astronomers look for certain...

In physics, the normal is a line perpendicular to a surface.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...

Orbital poles are the two regions of a planet at the extremes of its rotational axis.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual...

In materials science, the substrate is the surface on which a coating is deposited.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual...

Tiny outgrowths from the surface of some tissues and organs which serve to increase the surface area.
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A Twig Science
Glossary Film.
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The level below which the ground is completely saturated with water.
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A Twig Science
Glossary Film.
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Any gas in the atmosphere that absorbs and re-emits radiation in the infra-red range, so warming the atmosphere and planet's surface.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds...

When a ray or beam is reflected from a surface, the angle of incidence is the angle between the incident, or approaching, ray and a line perpendicular to the surface at this point.
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