Tag Archives: light
How come light travels so fast?
Nothing can travel faster than the speed of light – but what makes it so fast?
Why do fridges have lights, but freezers don’t?
This great explanation from takes a look why freezers don’t have lights inside them.
How does an overhead projector, project the colour black?
Often found in offices, schools and universities, but how is the colour black shown on the screen?
Does ‘colour’ exist?
Is there such thing as colour as colour is only light? We take a look at this potentially philosophical question and try to find an answer.
Why is ice clear and snow white?
Ask a Scientist’s Peter Storereau investigates why ice is clear and snow is white, and explains the reasons
Why are plants green?
I guess there are two parts to the answer- why is green a good colour for plants to be, and how do they go about it.
