radiation
Emissivity of Materials
[/caption]In the last few centuries, in which time we have had several scientific revolutions, our understanding of heat, energy and…
What Are Gamma Rays
[/caption] In the universe there are kinds of energy and different ways it manifests itself. One common form is radiation.…
What is Beta Radiation?
Beta radiation is radiation due to beta particles, which are electrons (or, sometimes, positrons); mostly, when you come across the…
Beta Particles
Beta particles are electrons (symbol β-), or positrons (symbol β+), emitted in beta decay (a kind of radioactivity); beta radiation…
What is Cherenkov Radiation?
Cherenkov radiation is named after the Russian physicist who first worked it out in detail, in 1934, Pavel Alekseyevich Cherenkov…
After Loss of Lunar Orbiter, India Looks to Mars Mission
[/caption] After giving up on re-establishing contact with the Chandrayaan-1 lunar orbiter, Indian Space Research Organization (ISRO) Chairman G. Madhavan…
Alpha Particle
An alpha particle is a particle made up of two protons and two neutrons. Since this configuration is similar to…