Which is a winning combination of digits?
[510] Which is a winning combination of digits? - The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot. - #brainteasers #mastermind - Correct Answers: 72 - The first user who solved this task is Sanja Šabović
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Which is a winning combination of digits?

The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.
Correct answers: 72
The first user who solved this task is Sanja Šabović.
#brainteasers #mastermind
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A Good Day for Ice Fishing

After church, little Johnny and his brother go ice fishing. Little Johnny starts drilling on the ice when a voice from above says, "Young man, there's no fish down there.”
Little Johnny asks his brother, "Who is that?"
His brother replies, "I don't know."
So little Johnny starts to drill again and the voice says again, "For the second time, there's no fish down there."
Little Johnny asks his brother, "Could that be God?"
His brother replies again, "I don't know."
Little Johnny starts drilling again and the voice says once more, "Young man, for the last time, I'm telling you there's no fish down there."
Johnny looks up and asks, "Is that you, God?"
The voice says, "No, I'm the manager and the rink's closed."
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Clinton Joseph Davisson

Born 22 Oct 1881; died 1 Feb 1958 at age 76. American physicist who shared the Nobel Prize for Physics in 1937 (with Englishman George P. Thomson) for discovering that electrons can be diffracted like light waves, thus verifying the thesis of Louis de Broglie that electrons behave both as waves and as particles. Davisson studied the effect of electron bombardment on surfaces, and observed (1925) the angle of reflection could depend on crystal orientation. Following Louis de Broglie's theory of the wave nature of particles, he realized that his results could be due to diffraction of electrons by the pattern of atoms on the crystal surface. Davisson worked with Lester Germer in an experiment in which electrons bouncing off a nickel surface produced wave patterns similar to those formed by light reflected from a diffraction grating, and supporting de Broglie's electron wavelength = (h/p). This discovery has been applied to the study of nuclear, atomic, and molecular structure. Davisson helped develop the electron microscope which uses the wave nature of electrons to view details smaller than the wavelength of visible light.
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