Firstly, many thanks to everyone who submitted clues.
The final result; chrise @ 2, dorrien @ 3, paul @ 7, geevo41 @ 18, aristo @ 30, mattrom @ 33 & 37 & jws @ 34 all with 1 vote, malcolmxword @ 12 and skyewalker @ 16 with 2 votes. This week's comfortable winner is peterm @ 23 recording 5 votes with his
Einstein's new experiment leaves one open-minded
I hope you're not offended with some "off the wall" humour (you have been warned) which includes frequent use of the "f" word ...
https://youtu.be/yuq-WJxv5k4
Cheers.