By David Shaw, 4 September 2019
While working on an old weaving machine, Aisha spied a dial that needed repairing. The dial had numbers counting upwards, evenly spaced around the outside. Although she couldn’t see the whole dial, she could see that the number 6 was directly opposite 17. Can you work out how many numbers there are on the dial?
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By David Shaw, 29 August 2019
Double Helix magazine is packed with news, facts, fun experiments and giveaways, perfect for enquiring minds. Editor of the magazine, Jasmine Fellows, takes us behind the scenes to explain how they create each issue.
By David Shaw, 28 August 2019
We’re going deep underground. Dig into your memory, and see if you can get all the answers right!
By David Shaw, 22 August 2019
Want to reach out and touch something with a puff of air? This tiny air cannon shoots vortexes of air that can be felt from metres away!
By David Shaw, 21 August 2019
Fred is a biologist doing an experiment with pademelons. They have a square paddock and four feeding bowls. They also have two laser detectors that each shoot a straight beam all the way across the paddock.
By David Shaw, 16 August 2019
People have been dreaming of flying cars for more than a century, and they’re almost here. There are plans to test a flying taxi from Melbourne airport as soon as next year. Flying cars are quick and oh-so-cool, but are they good for the planet?
By Jasmine Fellows, 15 August 2019
Is there a chemical element you love the most? To celebrate the International Year of the Periodic Table in 2019, Double Helix is running a poetry competition for school-aged students with support from the Royal Australian Chemical Institute (RACI). Meet our chemistry expert and competition judge, Michelle Neil!
By David Shaw, 14 August 2019
With a question about square numbers, here’s a chance to get your brain in shape! Have a go and see if you can get 5/5. If you’re after more fun science for kids, subscribe to Double Helix magazine!
By David Shaw, 7 August 2019
Terri was doing sums for her signwriting business. She worked out that one-third of six and two-thirds of eleven together made seven. Her maths might seem wonky, but she was completely correct. Can you work out what she was trying to do?
By David Shaw, 1 August 2019
Have you ever wished you had superhuman reflexes? In a simple but effective experiment, scientists from Sony Computer Science Laboratories and the University of Chicago used electrodes to improve people’s reaction times.