chain reaction http://t.co/P08DAi2l
alpha particle http://t.co/349Cc5bE
atomic number or proton number http://t.co/zl00iOjv
How woodpeckers avoid head injury click following link for more. http://t.co/GaGaBpz7
The zeroth law of thermodynamics states that if two bodies are in thermal equilibrium with a third body, then they must be in thermal equilibrium with each other.
The Young modulus is the modulus of elasticity. This means it is a number which represents how easy it is to deform (stretch a material). Click for more.
X-rays are a type of electromagnetic radiation.
