Estimating age of the Universe using Hubble's formula
Hubble's formula: The receding speed of the galaxies is proportional to the distance between them. Mathematically, v = H r; here H is a ...
LIGO
The Laser Interferometer Gravitational-Wave Observatory ( LIGO ) is a large-scale physics experiment and observatory to detect cosmic g...
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Quantum Tunneling
Suppose that there is a wall in front of you. Now you have thrown a ball to that wall. Suppose that the height of the wall is greater than t...
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Story of leptons begin with the discovery of electrons by Joseph John Thomson in the year 1897. After 40 years of his discovery of electron ... -
How do we describe mass? --As an interaction between fermions and Higgs field. So, how can we describe spin? As an interaction between fermi... -
Fermilab (Fermi National Accelerator Laboratory) is a laboratory specializing in high energy particle physics, located just outside Batavia,...