Light travels at approximately 299,792,458 meters per second (about 186,282 miles per second) in a vacuum, making it the fastest thing in the universe.
The cheetah is the fastest land animal, capable of reaching speeds up to 75 miles per hour (121 kilometers per hour) in short bursts covering distances up to 1,500 feet (460 meters).
The peregrine falcon holds the title for the fastest flying bird, reaching speeds of around 240 miles per hour (386 kilometers per hour) while diving to catch prey.
The Bugatti Chiron Super Sport 300+ is one of the fastest production cars, with a top speed of around 304 miles per hour (490 kilometers per hour).
The Maglev train in Shanghai, China, holds the record for the fastest commercially operational train, reaching speeds of about 267 miles per hour (431 kilometers per hour).
Usain Bolt holds the record for the fastest human sprinter. He reached a top speed of 27.8 miles per hour (44.7 kilometers per hour) during his world record 100-meter sprint.
The North American X-15 holds the record for the fastest speed ever recorded by a manned aircraft, reaching a speed of 4,520 miles per hour (7,274 kilometers per hour) or Mach 6.72.
The sailfish is often considered the fastest fish, capable of swimming at speeds of up to 68 miles per hour (110 kilometers per hour).
As of my last update in September 2021, the Fugaku supercomputer developed by RIKEN and Fujitsu holds the title of the fastest supercomputer, capable of performing over 442 quadrillion calculations per second (442 petaflops).
Researchers have achieved internet speeds of up to 178 terabits per second (Tbps) using a fiber-optic cable system, which is several orders of magnitude faster than commercial internet connections.