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Listed under:  Light
Video

Light takes time to travel through space

Light travels in waves and carries information as it moves from one object to another. In this clip, people are used to represent the Sun, planets and light rays in order to show that light takes time to travel through space bringing information from those objects to us on Earth. Discover that by the time we receive this ...

Video

Using a lens to bend light

How can a water-filled plastic straw be used to decode a secret message? Watch as the Surfing Scientist demonstrates how lenses with a curved surface do curious things to light.

Video

The physics of invisibility cloaks

Could an invisibility cloak actually work? Prashanth and Maria from MIT explore this idea and demonstrate the cool ways that light bounces, bends and mixes. How do the wings of the Morpho Butterfly give clues about how an invisibility cloak could work? How would light need to be channelled in order for something to seem invisible?

Video

Different types of telescopes

You can find both refracting and reflecting telescopes at Sydney Observatory. How are they different in the way they work and look? What can you find in nature that is like a telescope? Which type of telescope is it like?

Interactive

Fair test

Run experiments in a plant research laboratory. Investigate the effects of different variables on the growth of lettuces, peas and tomatoes. Research the answers to questions about how to achieve optimum hydroponic growth conditions. Examine the effect of key variables on growth: nitrogen, temperature, light intensity and ...

Image

Cellulose acetate mouldings for spectacle frames, 1945

This is a display of 27 spectacle frames manufactured from cellulose acetate, made by the Commonwealth Moulding Pty Ltd, Australia, in a range of shapes and colours.

Video

Innovation to improve underwater photography

The way light moves through water presents some challenges for underwater photographers. Watch this clip to find out how cinematographer Pawel Achtel may have solved the issues of distortion and loss of sharpness sometimes observed in underwater images. See his innovative design at work.

Online

Primary science: scientific inquiry

These seven learning activities, which focus on 'scientific inquiry' using a variety of tools (software) and devices (hardware), illustrate the ways in which content, pedagogy and technology can be successfully and effectively integrated in order to promote learning. In the activities, teachers facilitate the procedures ...

Interactive

Finding stuff out - iTunes app

Learn about structures, dinosaur teeth, recycling, plants, the sun and solids, liquids and gases through fun challenges. Free when reviewed on 12/5/2015.

Video

Battlefield robots on patrol

With eyesight, skills and a mission, battlefield robots are a bit like real soldiers patrolling a warzone. Find out about how and why some students have built these mobile robots, and where their innovative robot technology might be used in the future.