A tachyon or tachyonic particle is a hypothetical particle that always moves faster than light. Most physicists believe that faster-than-light particles cannot exist because they are not consistent with the known laws of physics.If such particles did…
Charge, Parity and Time Reversal Symmetry Charge, Parity and Time Reversal Symmetry is the basic symmetry of laws of physics under combination of Charge Conjugation (C) Parity Transformation (P) and…
In 2009 the British physicist Stephen Hawking held a party for time travellers – the twist was he sent out the invites a year later. (No guests showed up.) Travel…