There’s a lot of confusion over what organic means, and food with that label might not be as healthy or environmentally friendly as you think.

This video covers:

- What irradiati
on is
- What contam
ination is
- What determines have harmfu
l radiation is:

1. Type of radiation
2. W
here you're exposed to it

3. The dose of...

Hazards From Radioactive Material | Radioactivity | Physics | FuseSchool



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

This video is a lecture on radioactive contamination, exploring the difference between contamination and irradiation. The video uses examples of famous incidents of radioactive contamination, such as Chernobyl, and explains how...

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....

Animation of sunpot migration over a 11 year solar cycle and indicates the features causing total solar irradiance variability. Credit NASA/Goddard Space Flight Center Conceptual Image Lab

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Clouds of the sky.A place of trees.HD1080

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