Human ears cannot hear all sounds. For a human to hear something, the object producing the sound needs to vibrate between 20 and 20,000 times every second.
Sir Isaac Newton developed the 3 laws of motion in 1665 – when he was only 23 years old.
Acknowledgement of Country
Questacon acknowledges First Nations peoples as the Traditional Custodians and first scientists, makers and innovators of this land and their continuing connection to Country.
We pay our respect to the Elders past, present and emerging.