microsekund
A microsecond is a unit of time equal to one millionth of a second. The prefix "micro-" comes from the Greek word "mikros" meaning small. It is commonly abbreviated as µs. A microsecond is equivalent to 10^-6 seconds. To put it into perspective, a blink of an eye typically takes between 100 to 400 milliseconds, which is hundreds of thousands of microseconds. The speed of light travels approximately 300 meters in a microsecond in a vacuum. In many scientific and engineering fields, microseconds are a relevant timescale. For instance, in electronics, the switching time of transistors or the propagation delay in integrated circuits can be measured in microseconds. High-speed photography often captures events that occur within microseconds. In particle physics, the lifetimes of some subatomic particles are on the order of microseconds. While not a commonly used unit in everyday life, the microsecond plays a crucial role in understanding and measuring very rapid phenomena.