Get the latest Science News and Discoveries

46 years ago, Carl Sagan beautifully explained the fourth dimension using a sliced apple

Carl Sagan was the Mister Rogers of complex scientific concepts.

None

Get the Android app

Or read this on r/Space

Related news:

Carl Sagan's The Demon-Haunted World is still supremely relevant today

Carl Sagan in his final year, on Charlie Rose: "We've arranged a society based on science and technology in which nobody understands anything about science and technology. This combustible mixture of ignorance and power sooner or later is going to blow up in our faces"

35 Years of The Pale Blue Dot and Carl Sagan's immortal words: “That’s here. That’s home. That’s us. On it everyone you love, everyone you know, everyone you ever heard of, every human being who ever was, lived out their lives… on a mote of dust suspended in a sunbeam.”

« What time is SpaceX's Starship Flight 13 launch on July 16? (Full mission timeline)

NASA’s HiRISE Captures Perseverance Rover Completing a Marathon on Mars »