The type of electromagnetic radiation that cannot be focused are x-ray and gamma rays. The photons connects with other photons and not surfaces. When a photon hits an atom it can distribute to any direction. The only way to limited both types of electromagnetic radiation would be through interference.
The Red Square is a Square in Russia, in Moscow, the capital of Russia.
It is famous for being next to the Kremlin, where the President of Russia resides, which is sometimes the name used for the Russian government and Russia generally.
Many military parades take place on this Square, so it is often seen on the television.
B native elements is the class of minerals
