Did you know that bananas produce antimatter?


A banana releases one positron (anti-electron) every 75 minutes. Bananas contain a small amount of potassium-40, a naturally occurring isotope of potassium. Potassium-40 decays and emits a positron in the process. Positron which is antimatter annihilates on contact with matter.

I saw this in a Symmetry Magazine article titled “Ten things you might not know about antimatter.” I highly recommend this very readable and informative article.

Regarding positrons and bananas you should also check out a short note by Philip Tanedo who mentions that

“Discover magazine had an interesting article on radiation exposure a couple of years ago. That article stated: Eating 600 bananas is about the equivalent of having one chest X-ray. The article also lists other sources of radiation—radon, medical, cosmic rays. According to the article, the average American gets a dose of radiation roughly the equivalent of 36 X-rays per year.”

About Suresh Emre

I have worked as a physicist at the Fermi National Accelerator Laboratory and the Superconducting Super Collider Laboratory. I am a volunteer for the Renaissance Universal movement. My main goal is to inspire the reader to engage in Self-discovery and expansion of consciousness.
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