BRAIN TEASERS

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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: 19

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

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Michael Ian Black: Pills

I dont drink, and I dont do drugs, but Ill take a pill. Ill take any pill, you know what I mean? Cause pills cant hurt me! Cause theyre made by companies.

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Electric gun

In 1908, a new powderless electric gun was reported in Le Journal, France. It wasdescribed as the invention of M. Alfred Pouteaux, a young engineer from Dijon. Details were “secret,” but Pouteaux said he utilized polyphase currents of high frequency. A rapid stream of projectiles could be shot out of a tube about 4½-ft long x 2½-in diam. without explosives. Presumably, it used a series of short electrical coils around the tube, each causing induced magnetism in the bullet, which by resulting sequential repulsion was accelerated until forcefully ejected from the gun barrel. However, that idea had originated years earlier, with earlier newspaper reports, for example, about inventors L.S. Gardner, New Orleans, U.S.A. (1900), and Norwegian K. Birkeland (1902). The modern railgun uses the same principles.«

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