How bluetooth works?

Any electronic device like telephone, computer and entertainment system is made up of many different parts. If we want to create communication among these devices than we have many options like wires, radio signals, light beam, many connectors, protocols etc. and many more are coming […]

Why is the sun yellow?

Sun is made up of gases mainly like hydrogen, helium and small amount of other elements like sulphur, magnesium, carbon, neon, iron, oxygen, nickel, chromium and calcium. Temperature on the surface of sun is approximately 5780K, giving the sun white color but it often appears […]