Safety is the state of being "safe" (from French sauf), the condition of being protected from harm or other non-desirable outcomes. Safety can also refer to the control of recognized hazards in order to achieve an acceptable level of risk.
By colliding heavy ions with free quarks, physicists hope to recreate the earliest moments of our Universe just after the Big Bang. In the aftermath of these heavy-ion collisions, jets coming from bottom quarks have been identified for the first time.