University of Freiburg: An app allows medical students to examine tissue samples on a computer screen
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Cue the Simpsons quotes: the universe might be donut-shaped
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Our universe might be a giant three-dimensional donut, really
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Astrophysicists Say Our Universe Could Actually Be a Giant 3D Donut
PAUL SUTTER, LIVE SCIENCE
20 JULY 2021
Imagine a Universe where you could point a spaceship in one direction and eventually return to where you started. If our Universe were a finite donut, then such movements would be possible and physicists could potentially measure its size.
We could say: Now we know the size of the Universe, astrophysicist Thomas Buchert, of the University of Lyon, Astrophysical Research Center in France, told Live Science in an email.
Examining light from the very early Universe, Buchert and a team of astrophysicists have deduced that our cosmos may be multiply connected, meaning that space is closed in on itself in all three dimensions like a three-dimensional donut.