8 results for “light”
Matter, Energy & Physics
Light
light we have detected set out more than 13 billion years ago. Making light Light is born
Article · 4 min read
Matter, Energy & Physics
Electricity and Magnetism
light, so a lamp lights the instant the switch closes. Resistance, the difficulty electrons have getting
Article · 4 min read
Matter, Energy & Physics
Energy and Heat
light every second. Every event in nature is energy changing form. A plant turns light into
Article · 4 min read
Matter, Energy & Physics
Gravity
lights the stars and shapes the universe. Newton described it; Einstein explained it as the bending
Article · 4 min read
Matter, Energy & Physics
The Quantum World
light itself comes in such packets, photons. In 1913 Niels Bohr explained the colours emitted by hydrogen
Article · 4 min read
Matter, Energy & Physics
The Periodic Table
lights and welding precisely because they are so inert. Just to their left are the halogens
Article · 4 min read
Matter, Energy & Physics
Sound
Light is almost a million times faster than sound. That is why you see lightning before
Article · 3 min read
Matter, Energy & Physics
Atoms
light of a specific colour. Those colours are the fingerprint of each element, and they are how astronomers
Article · 4 min read
