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Hipervinculo Física

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Optics is a branch of physics that explores light and its behaviors and interactions with objects. Lenses, which are made of transparent (usually glass), are curved objects that are used for focusing ...

Magnets and Temperature: Does the Temperature of a Magnet Affect its Strength?

Magnets are everywhere in our everyday lives! Hard drives that store data in your computer are coated with a magnetic material, the speakers in your headphones are powered by magnets, and your refrige ...

Thermal Conductivity of Metals: Which Metal Is the Best Conductor of Heat?

Have you ever touched something that became hot enough to burn you only moments after it was cool to the touch? This can happen when you stir a pot of soup on the stove with a metal spoon or roast mar ...

How to Make an Anemometer

An anemometer is a device that is used to measure wind speed. There are many different types of anemometers suited for different environments, situations, and measurements. A cup anemometer is a basic ...

Ping Pong Ball Anemometer

Anemometers are apparatuses used to accurately measure wind speed. Anemometers have been used to take measurements for centuries, with the first known description dating to the 1400’s in Europe (thoug ...

Projectiles Launched at an Angle

Throwing a ball to a friend or shooting a cannon are both examples of projectile motion. Gravity is a force that acts upon objects, drawing them towards the center of the Earth at 9.81 m/s2. Horizonta ...

Calculate the Mass of the Earth

Mass is a measure of how much matter, or material, an object is made of. Weight is a measurement of how the gravity of a body pulls on an object. Your mass is the same everywhere, but your weight woul ...

Faraday's Experiment

Michael Faraday was a 19th century English scientist who is credited with many great discoveries in the realm of physics and chemistry, specifically on the relationship between current and magnets, an ...

Electromagnetic Ring Launcher

Electromagnetism is a cool (and useful) natural phenomenon. Electric current, which is the flow of electrons, creates its own magnetic field when in a closed loop. In conjunction with other magnets or ...

How Fiber Optics Work: Total Internal Reflection

Total internal reflection is what happens when light enters a new medium, or material, at an angle larger than a critical angle. A critical angle is when the incident angle, or the angle at which ligh ...

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