https://doublehelixshop.csiro.au/Competitions/competition-3



Learn more about the wonders of optics and optical illusions with this kit. It contains experiments using 3D glasses and dynamic illusions that spin. Plus you can build a DIY periscope!

The science of light and optical illusions kit.
If you would like a chance to win this Science of Light and Optical Illusions kit from CSIRO’s Parkes Radio Telescope Visitors Discovery Centre (www.parkesdishshop.com), send us a photo you have taken using forced perspective. That’s making things look further away, closer, larger or smaller than they actually are!


Istock image of a toy dinosaur chasing a person.

Credit: ©iStock.com/Santiago Marquez


How to enter
To be in the running to win one of these fantastic prizes, photograph your entry and email it to helixassist@csiro.au by by 14 January 2021. Include your name, age, address and Double Helix subscriber number*. Get a parent’s permission, and ask them to sign each entry. The best entries in each competition will win.

*Don't know your subscriber number? Check the address label that came with your magazine or subscribe now.

Terms and conditions of entry
To be valid, all entries must include name, address, age of entrant and Double Helix subscriber number.
Entering the competition assigns copyright to CSIRO.
Entries will be judged on creative merit, not by chance.
Age will be taken into consideration when judging.
All decisions on competitions are final and will not be discussed further.
Winners will be notified by mail and the names of competition winners only will be published three issues later.
CSIRO shall not be liable for any damage or loss suffered in connection with any of the prizes.
Any change in value of the prize between the publishing date and the delivery date is not the responsibility of CSIRO.
In the case that prizes become unavailable after the publishing date, CSIRO will send an alternative prize.
The closing date for this issue's entries is 14 January 2021.
Competition entries must be the entrant's own work.
It is the responsibility of the entrant to ensure copyright of their entry is not assigned elsewhere.
Winners should allow six weeks for prize delivery.