Space. It separates you from me, one galaxy from the next, and atoms
from one another. It is everywhere in the universe. But to most of us,
space is nothing, an empty void. Well, it turns out space is not what it
seems. From the passenger seat of a New York cab driving near the speed
of light, to a pool hall where billiard tables do fantastical things,
Brian Greene reveals space as a dynamic fabric that can stretch, twist,
warp, and ripple under the influence of gravity. Stranger still is a
newly discovered ingredient of space that actually makes up 70 percent
of the universe. Physicists call it dark energy, because while they know
it's out there, driving space to expand ever more quickly, they have no
idea what it is.
Probing space on the smallest scales only makes the mysteries multiply.
Down there, things are going on that physicists today can barely
fathom—forces powerful enough to generate whole universes. To top it
off, some of the strangest places in space, black holes, have led
scientists to propose that like the hologram on your credit card, space
may just be a projection of a deeper two-dimensional reality taking
place on a distant surface that surrounds us. Space, far from being
empty, is filled with some of the deepest mysteries of our time.
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