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A bismuth atom in one slice of a silicon crystal is shown in this simulated image. Physicists have discovered that bismuth atoms in silicon are excellent quantum bits. Quantum bits are the computing elements inhypothetical quantum computers, which should be able to solve difficult problems far beyond the abilities of conventional computers.
Reporters may freely use this image. Credit format: Artwork by Manuel Voegtli (London Centre for Nanotechnology)(2011).