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Richard Watson's 50 Future Ideas You Really Need to Know PDF

By Richard Watson

ISBN-10: 1623651956

ISBN-13: 9781623651954

What is going to the area seem like in 2020, 2030 or perhaps 2100? How will growth in clinical learn impact human lifestyles within the components of overall healthiness and way of life, strength and the surroundings, politics and clash, area exploration or even the last word questions of lifestyles? This completely researched and fantastically written e-book deals an electrifying journey throughout the wonders -- and terrors -- looking forward to us over the following hundred years.

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This was simple enough but did not make any definite predictions. On the other hand, Newton’s theory of gravity was based on an even simpler model, in which bodies attracted each other with a force that was proportional to a quantity called their mass and inversely proportional to the square of the distance between them. Yet it predicts the motions of the sun, the moon, and the planets to a high degree of accuracy. Any physical theory is always provisional, in the sense that it is only a hypothesis: you can never prove it.

It turns out to be very difficult to devise a theory to describe the universe all in one go. Instead, we break the problem up into bits and invent a number of partial theories. Each of these partial theories describes and predicts a certain limited class of observations, neglecting the effects of other quantities, or representing them by simple sets of numbers. It may be that this approach is completely wrong. If everything in the universe depends on everything else in a fundamental way, it might be impossible to get close to a full solution by investigating parts of the problem in isolation.

Just as it takes energy to get your car moving, it takes energy to increase the speed of any object. The kinetic energy of a moving object is identical to the energy you must expend in causing it to move. Therefore, the faster an object moves, the more kinetic energy it possesses. But according to the equivalence of energy and mass, kinetic energy adds to an object’s mass, so the faster an object moves, the harder it is to further increase the object’s speed. This effect is really significant only for objects moving at speeds close to the speed of light.

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50 Future Ideas You Really Need to Know by Richard Watson


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