Vision

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Syda Productions/Shutterstock

Tricking the brain: how magic works

Pretty much all of our perception is an illusion, whether we’re walking down the street or attempting to decode the latest card trick.
Disney’s WALL.E needed to see all the rubbish on Earth so it could clean it up. AAP Image/Tracey Nearmy

How do robots ‘see’ the world?

Robots that can learn to 'see' the world around them -- and share their learning with other robots -- will lead the next revolution in robotics.
Australian bowler Mitchell Marsh receives the pink ball during the Test match between Australia and New Zealand at the Adelaide Oval. AAP Image/Dave Hunt

We need to ditch the pink ball in day-night test cricket

The pink ball introduced to this year's day night cricket test can be difficult to see for some players, especially if they are colour blind. There is a better choice of colour.
Human eyes are unique among primates for their range of iris colours and unpigmented sclera. Wikimedia Commons

Making sense of our evolution

The science about our special senses - vision, smell, hearing and taste - offers fascinating and unique perspectives on our evolution. Yet it remains patchy; we know surprisingly little for example about…
The mantis shrimp has 12 types of visual cones. Klaus Stiefel/Flickr

Inside the colourful world of animal vision

As humans, we live in a colourful world, but differences in visual systems means that not all animals see the world in the same way. Unlike other aspects of an object such as size or mass, colour is not…

‘Blind’ cells sense light

Melanopsin pigment in the eye could be more light sensitive than the pigment that allows for night vision, rhodopsin. A two-year…
When approaching a vertical surface, honey bees calibrate their speed to land safely. photophilde

How to land safely on a vertical surface, bee-style

Landing is arguably the most nerve-racking element of any flight. To execute a safe landing, a pilot needs to know the plane’s speed and its distance from the landing surface. The pilot’s challenge is…

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