For years, I’ve read about the Antikythera Mechanism — the first computer in human history. Recently, I had the chance to see it with my...

Once upon a time, in a distant land where goats were more famous than galaxies, a clever TV show host, Mr. Barbounakis, had an idea. He...

There are 100 prisoners in a jail. Each one has a number from 1 to 100. In a room, there are 100 boxes numbered from 1 to 100. Each box...