BRAIN TEASERS

enter your answer and press button OK

What is the missing number?

Correct answers: 66

The first user who solved this task is Nasrin 24 T.

#brainteasers #math #riddles

Register with your Google Account and start collecting points.

Check your ranking on list.

Dear Monday ... I want to break up

Dear Monday:

I want to break up.

I am seeing Tuesday and dreaming about Friday. Sorry.

It’s not me — it’s you

Jokes of the day - Daily updated jokes. New jokes every day.

Follow Brain Teasers on social networks

Brain Teasers

puzzles, riddles, mathematical problems, mastermind, cinemania...

Parity nonconservation proposed

In 1956, The Physical Review published a paper by Tsung Dao Lee and Chen Ning Yang on the Question of Parity Conservation in Weak Interactions. They addressed an issue that had long been believed, but for which there had been no experimental support. Yet, there existed a Theta-Tau Puzzle (C.F. Powell, 1949) in the disintegration of certain cosmic ray particles via the nuclear weak force. Lee and Yang believed this was because of parity violation, which contradicted the generally accepted "law" of conservation of parity. They proposed a study of experiments involving weak interactions. Chien-Shiung Wu validated non-conservation of parity on 27 Dec 1956 in their suggestion to study beta decay of cobalt-60.«

This site uses cookies to store information on your computer. Some are essential to help the site properly. Others give us insight into how the site is used and help us to optimize the user experience. See our privacy policy.