Half-Life and Radioactivity

This video explains what a radionuclide's "half-life" is.
The video is a short excerpt from Shedding Light on Nuclear Radiation Episode 5: Half-Life and Activity.
The Shedding Light on Nuclear Radiation series teaches students all the essentials of nuclear radiation. Each program comes with an outstanding student activity sheet.
Visit the Liacos Educational Media website for details.
www.liacoseducationalmedia.co...

[@thedimbot8154]

Mr Liacos, what is your half life?

[@eskimokrystal]

"I work at a government secondary school and there is a huge gender pay gap.
However, this is not a problem unless the Admin are forced to refuse granting part-time positions to women who want them, just so that the gender pay gap is reduced."