Light - David Burnie

Essential to all plant and animal life on Earth
light has always been a source of wonder and mystery. This intriguing book brings to life our exploration of this fundamental energy source.Once early humans had learned to harness fire they could have light and heat whenever they wanted - some of the oldest oil lamps that have been discovered were made out of rocks and shells about 15 000 years ago. Today
we can collect sunlight through solar panels to make electricity to light and warm our houses. Experimenting with a prism in 1665
Isaac Newton found that daylight contains a spectrum of rainbow colours. Today
fibre optics
lasers
and
holograms are familiar items in our hi-tech world.With historical scientific apparatus and stunning demonstrations of key experiments and ideas
Light is an exciting introduction to the discoveries that have shaped and revolutionised our way of life.