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
Author: rvsundaram
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?
Solar system Quiz
An easy quiz on our solar system. Check how much you know about the objects in the solar system. It is not timed.
Astronomy Quiz
An easy quiz on astronomy. Check how much you know in astronomy. The quiz is not timed. You can take as many times as you like.
Optics Quiz
An easy quiz on the topic of Optics. Check your knowledge in Optics. The quiz is not timed. You can take as many times as you like.
The Sun
The Sun is the lone host star of our solar system. How and when was it born? What powers the Sun? What happens when the Sun’s life ends?
Planet Venus
Know the planet Venus, our Earth’s closest planetary neighbor. Why the surface of Venus is so hot? Why it rotates in the backward direction?
Planet Earth
Earth seems to be the only planet that supports life in the solar system. How life started 3.8 billion year ago on Earth is a big mystery.
Planet Mars
Mars, the fourth planet from the Sun, is our closest planetary neighbor like Venus. The other name of Mars is ‘the red planet’.