What is Time? Click here to watch the summary of this post as video. Overview Scientists often highlight the following baffling attributes of time: It is relative and is NOT absolute. Before the Big Bang, it did not exist. It dilates while moving. It freezes inside a blackhole. No surprise, these facts may make… Continue reading What is time?
Author: rvsundaram
S.N. Bose
S.N. Bose and His Discoveries S.N. Bose (1894 – 1974) Watch video that provides the summary of this post. Overview S.N. Bose (Satyendra Nath Bose) was an Indian mathematician and physicist who founded what is now known as Bose-Einstein statistics. Later, Einstein extended Bose’s ideas to atoms and predicted an exotic state of matter: Bose-Einstein… Continue reading S.N. Bose
Unveiling the Mystery of Non-Monthly Eclipses: Lunar and Solar Phenomena
Unveiling the Mystery of Non-monthly Eclipses Lunar and Solar Phenomena Watch this video which provides the summary of this post. Solar Eclipse Lunar Eclipse Eclipses As we know, lunar eclipses occur when the Earth’s shadow falls on the Moon as the Earth comes between the Sun and the Moon. This configuration occurs on a full… Continue reading Unveiling the Mystery of Non-Monthly Eclipses: Lunar and Solar Phenomena
Moon Near Horizon
Moon Near Horizon Picture credit: https://live.staticflickr.com Watch this video which provides summary of this post. Overview On a full Moon Day, in the evening, we often enjoy the breathtaking beauty of the rising full Moon in the eastern sky. As it rises from the horizon, it appears so beautiful and big. However, after a while,… Continue reading Moon Near Horizon
Origin of the Moon
Origin of the Moon You can watch the summary of this post as video here. Overview Our planet Earth‘s natural satellite, the Moon, is our closest astronomical object. There are several theories to explain the origin of the Moon. While the two terrestrial planets Mercury and Venus do not have any moon orbiting them, Mars… Continue reading Origin of the Moon
Black Holes
Black Holes Image credit: http://www.nasa.gov/sites/default/files/thumbnails/image/bh_visualization.jpg About the above image: It is a visualization of a black hole and its (hot, thin, rotating) accretion disk formed by the infalling matter spiraling toward the black hole. The disk is distorted because of gravitational lensing. Image credit: NASA’s Goddard Space Flight Center. Overview Can you visualize a… Continue reading Black Holes
Supernovae
Supernova Pic 1. Remnants of Cassiopeia Supernova A (29 Light Years across). Photo credit: Chandra.harvard.edu Watch the video that gives the summary of this post. Overview Supernova is a violent, explosive death of a very massive star. Nova is from the Latin word “novus” which means new, unusual or extraordinary. In 1572, the Danish… Continue reading Supernovae
Origin of Gold
Origin of Gold and other Heavy Elements Click here to watch the summary of this post as video. Photo Credit:Zlaťáky.cz on Unsplash We know that the element gold (AU, atomic number: 79) is a precious, dense, yellow metal. We make jewelries from gold because of its amazing malleable and ductile properties. Electronic industries too… Continue reading Origin of Gold
James Maxwell
James Maxwell and His Discoveries James Clerk Maxwell (1831 – 1879) “From a long view of the history of mankind – seen from, say, ten thousand years from now – there can be little doubt that the most significant event of the nineteenth century will be judged as Maxwell’s discovery of the laws of electrodynamics.” … Continue reading James Maxwell
Soap Bubble
What makes a soap bubble so colorful? What is the physics behind this? What phenomenon paints a soap bubble with such beautiful colors?