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Daniel Petta

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284. Sai Ram 4
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last 3 solved tasks
Which number replaces the question mark?
If 2+3=10, 8+4=96, 7+2=63, 6+5=66 then 9+5=?
Which number should replace the question mark?

Antiproton

In 1955, a new atomic subparticle called a negative proton (antiproton) was discovered at U.C. Berkeley. The hunt for antimatter began in earnest in 1932, with the discovery of the positron, a particle with the mass of an electron and a positive charge. However, creating an antiproton would be far more difficult since it needs nearly 2,000 times the energy. In 1955, the most powerful "atom smasher" in the world, the Bevatron built at Berkeley could provide the required energy. Detection was accomplished with a maze of magnets and electronic counters through which only antiprotons could pass. After several hours of bombarding copper with protons accelerated to 6.2 billion electron volts of energy, the scientists counted a total of 60 antiprotons.[Image: The first annihilation star, Faustina, of an antiproton found in film exposed by the Berkeley scientists, 1955]

Peanut Butter Rooster

Q: What do you get when you cross a rooster with a jar of peanut butter?

A: A cock that sticks to the roof of your mouth.

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