Scientists have been slowly extending the periodic table one element at a time, pushing to higher and higher masses, and have discovered some incredibly useful materials along the way. But the elements at the current end of the table are...

Energy too cheap to meter - that was the promise of nuclear power in the 1950s, at least according to Lewis Strauss chairman of the Atomic Energy Commission. That promise has not come to pass - but with some incredible new technologies,...

SciShow explains radiocarbon dating, the best way to date a dead thing!

Carbon dating is a lot more than just getting the age of a dinosaur bone. We can learn a lot about the world through its use, and it turns out, we have.

This video covers:

- How radioactive decay
works
- What acti
vity means
- The two definitio
ns of half-life
- How to show radioact
ive decay on a graph
- How we can find the count rate
with a...

Hazards From Radioactive Material | Radioactivity | Physics | FuseSchool



Nuclear power stations produce electricity, which of course is extremely useful. However, they also...

Half life | Radioactivity | Physics | FuseSchool This atom has an unstable nucleus. Any moment now it may undergo radioactive decay. Any time now... Or it may not! We just don’t know, as decay is a random event. We cannot predict when...

This video is a lecture on half-lives and how to quantify the number of radioactive decays that occur over a given time period. The video explains that radioactive decay is a random process with equal probabilities for each outcome. The...

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Overview of the use of radioactive isotopes in medicine to diagnose certain ailments.

Nuclear power stations produce electricity, which of course is extremely useful. However, they also make radioactive waste. When items have no further use and have radioactivity above certain levels, they are known as radioactive waste....

When you read about the ages of certain ancient artifacts, or even the age of the earth itself, how do we know such numbers? How can we know that a fossil is precisely 250 million years old? The key technique here is radiometric dating....