Download e-book for iPad: Absolutely Small. How Quantum Theory Explains Our Everyday by Michael D. Fayer

By Michael D. Fayer

ISBN-10: 0814414915

ISBN-13: 9780814414910

Physics is a fancy, even daunting subject, however it can be deeply satisfying—even exciting. And liberated from its mathematical underpinnings, physics unexpectedly turns into obtainable to somebody with the interest and mind's eye to discover its attractiveness. technological know-how with out math? it is not that strange. for instance, we will comprehend the concept that of gravity with no fixing a unmarried equation. So for all those that could have reflected what makes blueberries blue and strawberries crimson; if you have puzzled if sound quite travels in waves; and why mild behaves so otherwise from the other phenomenon within the universe, it is all an issue of quantum physics. totally Small offers (and demystifies) the realm of quantum technology like no booklet prior to. It explores clinical concepts—from debris of sunshine, to likelihood, to states of topic, to what makes greenhouse gases bad—in massive intensity, yet utilizing examples from the typical international. demanding with no being...

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Extra info for Absolutely Small. How Quantum Theory Explains Our Everyday World

Sample text

Your eye does not directly measure the frequency of light waves in contrast to your ear, which measures the frequency of sound waves. ADDING WAVES TOGETHER—INTERFERENCE Waves of any kind, including light waves, can be added together to give new waves. 2 shows on the left two identical waves (same wavelength, same amplitude, propagating in the same direction) that are in phase. ) “In phase” means that the positive peaks of one wave line up exactly with the positive peaks of the other wave, and therefore, the negative peaks also line up.

These effects are caused by a static electric field. An electromagnetic wave has both electric and magnetic fields that oscillate. Unlike ocean waves, which travel in water, and sound waves, which travel in air, light waves can travel in a vacuum. In a vacuum, the velocity of light is given the symbol c, and c = 3 × 108 m/s. The speed of light is about a million times faster than the speed of sound. This is the reason why you see distant lightning long before you hear it. Sound takes about 5 seconds to travel a mile.

Unlike ocean waves, which travel in water, and sound waves, which travel in air, light waves can travel in a vacuum. In a vacuum, the velocity of light is given the symbol c, and c = 3 × 108 m/s. The speed of light is about a million times faster than the speed of sound. This is the reason why you see distant lightning long before you hear it. Sound takes about 5 seconds to travel a mile. 000005 s or 5 μs (microseconds) to travel a mile. The velocity of light is slower when it is not traveling in a vacuum.

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Absolutely Small. How Quantum Theory Explains Our Everyday World by Michael D. Fayer


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