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Maths posts

Mathematical hunches inspire decades of research News

by David, 12 April 2018 | 0 comments

Abstract image of glowing colours and shapes.

It’s that time of year again! The winner of the Abel prize, mathematics’ answer to the Nobel, has been announced. This year’s winner is Robert Langlands, a mathematician more famous for asking questions than answering them.

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Terri’s transport brainteaser Brainteaser

by David, 4 April 2018 | 0 comments

Brain icon

Terri’s just about to leave to go to a party. She’s trying to work out whether to walk or ride her bike. If she walks at a brisk pace of 5 kilometres per hour, she’ll be an hour late. If she rides her bike at 10 kilometres per hour, she’ll be an hour early! How…

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Head bones and cycads – a quick quiz Quiz

by David, 28 March 2018 | 2 comments

Black lightning bolt in purple circle

How well do you know your own head? This edition of the quick quiz travels from Australia all the way out into space!

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Coded message brainteaser Brainteaser

by David, 21 March 2018 | 4 comments

Brain icon

You’ve just received a secret coded message: AD, BA, BH, CE, DB, DI, EF You know it follows a pattern, but can you work out what pair of letters come next?

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On Earth and Mars, time and travel – a quick quiz Quiz

by David, 14 March 2018 | 0 comments

Black lightning bolt in purple circle

Put your thinking caps on, it’s time to test your skills in chemistry, time, space, tech and biology!

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1936 brainteaser Brainteaser

by David, 7 March 2018 | 2 comments

Brain icon

1936 is a square number. That means you can make it by multiplying a whole number by itself: 1936 = 44 x 44

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Catching a colossal prime News

by David, 1 March 2018 | 0 comments

Picture of numbers arranged in a disorganised pattern with some on their sides and some sight side up.

Late last year, Jonathan Pace’s computer found something special. Jonathan is an electrical engineer who also manages computers for charities, so he has a lot of computers, but this one was nothing out of the ordinary. Except for one thing: the computer was running software from the Great Internet Mersenne Prime Search, an international volunteer…

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Double Helix Extra: your new email update! Update

by Jasmine, 28 February 2018 | 0 comments

10 year old holding tablet and atomic model.

Double Helix magazine is excited to announce that we’re merging our newsletters Science by Email and Maths by Email, and adding a splash of technology and engineering news. Keep an eye out for our new look email, called Double Helix Extra!

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Blood-splatter by numbers Activity

by David, 16 February 2018 | 1 comments

A blood spot with measurements for width and length

Blood left at a crime scene can tell you a lot about the events. To rewind the clock and look back in time, you just need a ruler and some trigonometry. You will need Red food dye Chocolate topping (or corn syrup) Water Measuring cup Mixing bowl Spoon Drinking straw Old clothes A large sheet…

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Absolute zero is absolutely impossible! News

by David, 31 January 2018 | 0 comments

Photo of a thermemeter in the scortching sun with a reading of above 100 degrees farenheit.

What’s the coldest thing in the universe? You may have heard of absolute zero, the coldest temperature possible. But a clever bit of mathematics has shown it might not be possible after all!

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