The Age of Rocks
From Cosmos
00:00 - 03:03
3m 3s
Neil deGrasse Tyson explains radioactive decay. He explains how we can determine the age of a rock using meteorites and illustrates that atoms undergo nuclear transmutations over time until they become stable elements.

Comments

Please sign in to write a comment.
Video Transcript

Related Clips

Sheldon and Paige attend a carbon dating lecture. The lecturer asks Paige to explain carbon dating, which she does accurately.
Has profanity
Venus gives Arnold a 2-minute lesson on the atom. He makes allusions to inner city life (gangs, the neighborhood, etc.) to explain the different parts of the atom in a highly relatable manner.
Phil explains the structure of an atom in 60 seconds using a fence, different colored balls, and kittens.
This clip describes how molecules are different from elements and atoms. It also illustrates how molecules are modeled.
Olivia discusses the story behind the physicists who invented a new type of microscope that could look at a single atom in sheet metal.