Vedant K. Naik's Blog

Why do metals shine? This was the most fascinating question when I was very young.And I would like to give answer in one line i.e. Due to a phenomena related to Photoelectric effect ,which occurs in metals. {  What is Photoelectric effect? It is a natural phenomena which occurs in metals when light (beam of photons having a particular energy required to knock of electron) strikes a metal it creates ejection of electron or energy is reflected as (once electron received some energy which is less than work function of metal it just gets excites not ionise and when it returns to its original state it emits photons) What is work function? It is a specific value(different for all metals) of energy above which the electron gets ionise if it will be hit with photon of energy > work function of metal }

  The fabric of space-time is a conceptual model combining the three dimensions of space with the fourth dimension of time. According to the best of current physical theories, space-time explains the unusual relativistic effects that arise from traveling near the  s peed of light  as well as the motion of massive objects in the universe.  This mind-boggling theory was given by Albert Einstein.Sometimes I think this theory as just pure work of fiction, but after LIGO i.e. after discovery of gravitational waves i feel that this is true and in reality there exist a imaginary space and time fabric which unites 4th dimension of time with 3 dimensions of space. Quick Fact:Albert Einstein never got nobel prize for his work with relativity and space-time.             He got nobel prize in physics for his work with photoelectric effect