99.9 MB (4.2 MB compressed)
5472 x 6384 pixels
46.2 x 54.1 cm ⏐ 18.2 x 21.3 in (300dpi)
DAVID PARKER / SCIENCE PHOTO LIBRARY DAVID PARKER / SCIENCE PHOTO LIBRARY
Conceptual illustration showing subatomic nucleus or quantum gravity. Quantum gravity is a theory that attempts to describe the quantum behavior of a gravitational field. Illustration can also be used for other physics concepts such as supersymmetry. Supersymmetry (SUSY), is a particle physics theory that proposes a type of spacetime symmetry relating two basic classes of elementary particles: bosons, which have an integer-valued "spin", and fermions, which have a half-integer spin. If supersymmetry is a true symmetry of nature, it would explain many mysterious features of particle physics and would help solve paradoxes such as the cosmological constant problem.
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