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But if you want to juggle your time in some other way then consider this instead: A person has to transport three balls across the river on a raft in a single crossing.

In King Solomon’s Mines, the ceremony of the witch-hunt takes place during a full moon. The next day there’s a total eclipse of the sun, which can only happen at the new moon.

A time came when the boys had to light a fire but, of course, they were marooned and didn’t have or weren’t carrying matches with them. So the obvious solution was to use this particular boy’s glasses as a magnifying glass and get some flames going.

If liquids are of no interest to you, and neither is the stuff floating on them, then perhaps you’d like to sink your fangs into the following. Air, we all know, is a gas.

One can easily fall in love with a Mobiüs strip. You can make one by taking a strip of paper — say about half a metre long and 4cm wide — and giving it a half twist before joining the ends together with glue.

If you think that made me look like a fool, ask me for the addresses of at least half a dozen happily married ladies today, who had all swooned at the sight at the time and then on revival had merely managed to mutter a broken “yes” to my gesturing towards two empty seats at some friendly neighbourhood movie hall.

If you think that made me look like a fool, ask me for the addresses of at least half a dozen happily married ladies today, who had all swooned at the sight at the time and then on revival had merely managed to mutter a broken “yes” to my gesturing towards two empty seats at some friendly neighbourhood movie hall.

The special effect is the result of what is called positive feedback. When a guitarist plays in front of the speaker, the sound output of the speaker is received by the guitar pick which gets forwarded to the amplifier just like the sound of the guitar, but this time, it’s mixed with the sound which is produced by the speaker.

The reason was that under the auspices of these two howlers it was lawful for a man to marry his dead wife’s sister but not legal for a woman to wed her deceased husband’s brother.