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Physical sciences posts

A hole in the heart of Egypt’s greatest pyramid News

by David, 12 January 2018 | 1 comments

Image of a pyramid with tiny people in the foreground.

Built more than 4500 years ago, you’d think there was nothing left to discover inside Cairo’s Great Pyramid of Giza. Think again. Scientists have recently discovered a new chamber deep in the heart of the tomb, all with the help of starlight.

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What’s Fahrenheit? Activity

by David, 15 August 2017 | 0 comments

A thermometer with both Celsius and Fahrenheit measurements.

Do you have friends from the United States? Have you ever found a recipe on the internet with ridiculously high oven temperatures? Do you have a grandparent (or great grandparent) who doesn’t like the ‘new’ way of measuring temperatures? You might need our quick guide to the Fahrenheit scale.

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Green eggs Activity

by David, 13 April 2017 | 0 comments

An egg with a green yolk in a bowl

Time for an Easter trick! There are lots of eggs around at this time of year, but this one is sure to raise some eyebrows. And when you’re finished, you can get your parents to help you cook your green egg, so you can gross out your entire family!

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Hot top hat! News

by David, 18 September 2016 | 0 comments

A cool circle with a very hot centre.

Perched high atop a giant shiny dish, sits a strange top hat. This hat is filled with high pressure steam, and it’s the secret to efficient solar power that can work even after the Sun sets. Welcome to the world of concentrated thermal energy.

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Kirigami steers solar panels News

by David, 15 December 2015 | 1 comments

A solar panel cut into a lattice shape.

When you’re installing solar panels, it’s important to point them at the Sun. But the Sun isn’t always in the same place – it moves across the sky over the course of a day. If you can aim the panels towards the Sun as it moves, they can produce up to 40 per cent more power…

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Solar race across Australia News

by David, 30 October 2015 | 0 comments

A very streamlined car driving in the desert.

In the latest issue of Double Helix magazine, we feature solar powered cars racing from Darwin to Adelaide. They zoomed to the finish line last week. The winner is Dutch team Nuon with their car Nuna 8!

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Friction frog Activity

by Jasmine, 6 July 2015 | 0 comments

A paper frog attached to two strings in a tree.

Written by Beth Askham Make your own climbing frog, using the power of friction. You will need A 20 cm x 20 cm piece of cardboard Two 5 cm long pieces of drinking straw String Sticky tape Scissors Coloured pens, pencils, crayons, paints or textas Other decorations What to do On your piece of cardboard…

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The Year of Light News

by David, 2 March 2015 | 0 comments

Scientist operating green lasers

2015 is the The International Year of Light and Light-based Technologies. To celebrate, we’re sharing some light-based articles and activities:

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2015 BHP Billiton Science Awards winners News

by Nat, 9 February 2015 | 0 comments

A big congratulations to Dhruv Verma from Victoria and Jackson Huang from Queensland, the two winners of this year’s BHP Billiton Science and Engineering Awards. Dhruv was recognised for his PROTEGO project, and Jackson for his investigation into heartburn medication alternatives.

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Super sticking power News

by David, 12 December 2014 | 0 comments

A person wearing gloves and a harness climbing stright up a glass wall.

Written by Beth Askham Researchers have made sticky hand pads that let you climb walls like Spiderman. Inspired by gecko feet, a research lab at Stanford University in America developed the climbing device. This technology recently allowed a person weighing 70 kilograms to climb a sheer glass wall. The team have also used the structure…

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