What is a photon? Physics of light
Photons - Sunshine breaking through the clouds. When did the first photons appear? A photon is a tiny little particle of light, far too small to see individually. All light is [...]
16
08, 2017
16
08, 2017
What is light made of? Why is the sky blue?
Rainbow over Amazon river - What is light made of? What is light made of? Light is made of billions of tiny particles called photons. These photons travel from one place [...]
21
07, 2017
Who is Vishnu? – Hinduism – India
Vishnu and Lakshmi (Kashmir, 1000s AD now in Los Angeles) A Hindu god Vishnu was one of the Hindu gods. He was mentioned in the Rig Veda as a god of light and the sun. But people [...]
7
06, 2017
Astronomy in Ancient China
Chinese astronomy: A Chinese star chart possibly dating from the 600s AD, during the T'ang Dynasty The Chinese zodiac Chinese scholars began by thinking of the stars, the sun, and [...]
2
06, 2017
What is water made of? Molecules and chemistry
A big ocean wave The first molecules of water formed out in space, about 14 billion years ago, as part of the nebula left over after an early star exploded [...]
