Engineer's Puzzle

Latest Puzzle: Screwing with my brain!
23/02/2017
This logic puzzle was first published in the US popular science magazine, Scientific American, in one of Martin Gardner’s regular brain teasing columns. It goes like this:

‘Two identical bolts are placed together so that their helical grooves inter-mesh as shown in the illustration. If you move the bolts around each other as you would twiddle your thumbs, holding each bolt firmly by the head – so that it does not rotate – and twiddling them in the direction shown, what will happen to ...
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Previous Engineer's Puzzle

Bear with us…

06/12/2016

This month’s puzzle is less of an exercise in applying mathematics to find a solution, and more one ...  Read More

Blowing a fuse

30/08/2016

Blowers, a demolition engineer, has just set up two rounds of explosives around two old mill ...  Read More

The number of numbers

07/06/2016

An engineer has found himself in a bit of a riddle. For reasons that will take far too long to ...  Read More

Engineer's Puzzle: The Train

09/03/2016

Colin, an engineering manager at a component factory in Leeds, is on his way to go and see a ...  Read More

Who's who

18/01/2016

A family run multi-national engineering firm has organised its annual board meeting. Pauline is ...  Read More

The team bonding bridge

11/09/2015

Four engineers are on a team building exercise, camping and navigating in remote countryside. All ...  Read More

Origami Discombobulation

04/08/2015

Problems are sometimes all about seeing things from the right perspective. Many may remember this ...  Read More

The great balls up!

18/06/2015

Dave, the engineer, is a clumsy kind of fellow. Whilst walking around the factory floor one day, he ...  Read More

Driving me MAD!

06/03/2015

Two engineers are arguing. They'd read a puzzle in Engineering Materials magazine and were trying ...  Read More

Getting a date!

14/01/2015

I got one of those cube date calendars things for Christmas. As well being slightly annoying in the ...  Read More

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