In other cases, another member of the system will go on to form a second white dwarf. If gravitational instabilities bring ...

Critical mass is a physics term describing the point at which there is sufficient density to attain a sustained nuclear chain reaction. It gets adapted to describing any situation where sufficient ...

When an atom breaks apart, it gives out energy and more neutrons, which can then split other atoms. Get enough atoms splitting and you have the chain reaction needed for a bomb blast ...

In its natural state, uranium is not concentrated enough to achieve critical mass. It must be processed through high-performance centrifuges into uranium-235, which is more fissile.

At least 17 people were injured after a chain-reaction crash involving about 15 motorcycles on Interstate 35W in Fort Worth Friday night, according to police. Officials called the crash a "mass ...

The critical mass of engagement was like a domino effect or a chain reaction, encouraging each student to participate in their own ways. “The net result wasn’t just having the same average level of ...