Popular Science

100 Mysteries of Science Explained

Answers on subjects from dark matter to disappearing bees, from the magazine that’s been enlightening and entertaining Americans for nearly 150 years.
What happened to the Neanderthals? When is the next Ice Age due? Why do we hiccup? From end-of-the-world scenarios to what goes on within our own brains and bodies, the experts at Popular Science magazine uncover the secrets of the universe and answer 100 of science’s most mysterious questions.
With sections on Physical Matter and Forces, Space, Human Body, Earth, Other Life-Forms, and Human Triumphs and Troubles, 100 Mysteries of Science Explained takes you into the fascinating world of black holes, time travel, DNA, earthquakes, and much more.
269 páginas impresas
Publicación original
2016
Editorial
Weldon Owen

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    itsyegamercompartió su opiniónhace 4 años
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Citas

    lovycompartió una citael año pasado
    Even in all theoretical scenarios in which we travel faster than light, we can never travel backward in time, only forward. However, many scientists believe that traveling into the future is still a possibility that just needs more study.
    b3822779294compartió una citahace 9 meses
    Albert Einstein studied this effect and came up with a compelling theory that stated light was both wave and particle.
    Khen Sween Pangcompartió una citahace 3 años
    One thorn in the argument for light-as-a-wave purists is a phenomenon called the photoelectric effect. When light shines on a metal surface, electrons fly out. But higher intensity of light does not cause more electrons to be released, as you would expect with the wave theory. Albert Einstein studied this effect and came up with a compelling theory that stated light was both wave and particle. Light flows toward a metal surface as a wave of particles, and electrons release from the metal as an interaction with a single photon, or particle of light, rather than the wave as a whole. The energy from that photon transfers to a single electron, knocking it free from the metal. Einstein’s declaration of wave-particle duality earned him the Nobel Prize in physics in 1921.

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