https://padlet.com/sdeusm1/fpcqij7dh0fbdwiu Write a summary of the key points discussed in the article. en-us 2025-05-11 02:13:59 UTC 2025-05-11 02:21:06 UTC hello@padlet.com https://padlet.net/icons/png/1f393.png https://padlet.com/sdeusm1/fpcqij7dh0fbdwiu/wish/3444724225 The article explains that the speed of light in a vacuum (c) is about 299,792 km/s, serving as the universe's ultimate speed limit. It reviews historical measurements by scientists like Rømer and Michelson, notes how light slows in denser media, and highlights Einstein’s relativity theory, which ties c to space-time physics. It also shows how light is key for technology like fiber optics and GPS.

]]> 2025-05-11 02:20:14 UTC https://padlet.com/sdeusm1/fpcqij7dh0fbdwiu/wish/3444724225