Related Clues:

• Small units of energy
• Particles in supercolliders
• Rowing machines, casually
• Physics' units of work
• Tiny physics units
• Quantum theory particles
• Fission splits them
• Things split by 17 Across
• Supercollider particles
• One way to measure work
• Sites of small orbits
• Nuclear particles
• Sources of nuclear energy
• There are 10,000,000 in a joule
• CO2 molecule trio