Why Heat Flows From Hot To Cold Side? Overview Why does heat energy spontaneously flow from the hot side to the cold side? Why does it never spontaneously flow in the reverse direction? For instance, when you drop ice cubes in a glass of water, at room temperature, ice cubes start melting as heat… Continue reading Why heat flows from hot to cold?
Author: Sundarram
What Is Heat?
What Is Heat? Overview For centuries, one of the big questions that remained unresolved in physics was the simple question: what is heat? Physicists could not fully explain what gives rise to heat energy. Also, they could not understand why heat flows from hot to cold spontaneously but never does in the reverse direction. … Continue reading What Is Heat?
Ludwig Boltzmann
Ludwig Boltzmann and His Discoveries Austrian physicist (1844 – 1906) Overview Ludwig Boltzmann, an Austrian theoretical physicist from the 19th century, made significant advances in kinetic theory, statistical mechanics, and thermodynamics. He was a leading figure in uncovering the true nature of heat and emphasized the importance of the laws of thermodynamics that govern the… Continue reading Ludwig Boltzmann
Capillary Action
Capillary Action https://amazingphysicsforall.com/wp-content/uploads/2023/10/RaisingWater_On_PaperTowel_9384.mov Over View After watching the above video, you may wonder why coffee slowly creeps up in the paper towel, that too against gravity. What phenomenon is responsible for this? The short answer is it is the capillary action. Other names for this phenomenon are capillary motion or wicking. Let us understand… Continue reading Capillary Action
Surface Tension
Surface Tension You can watch the summary of this post as video here. Picture 1: Floating Metallic Coin due to Surface Tension Picture 2: Surface Tension makes a needle float. Overview Looking at the pictures above, you may wonder what these floating objects are made of. Are they really metallic objects? Yes, they are metallic… Continue reading Surface Tension
Are We Alone in the Universe? Exploring the Possibility of Extraterrestrial Life
Are We Alone In the Universe? Exploring the Possibility of Extraterrestrial Life Picture credit: https://cdn.pixabay.com Watch this video which provides the summary of this post. “Eternal silence of these infinite spaces frightens me.” Blaise Pascal, French philosopher and mathematician. Overview A fundamental question that continues to challenge the scientific community and intrigue individuals alike… Continue reading Are We Alone in the Universe? Exploring the Possibility of Extraterrestrial Life
Special Relativity
Special Relativity https://www.maxpixel.net Overview In the year 1905, while working as a patent clerk in Switzerland, Albert Einstein published four papers which upended the world of physics. One of the papers was on special theory of relativity. By special relativity paper, Einstein put forward the following radical ideas about the nature of the universe.… Continue reading Special Relativity
What is time?
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?
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 Why Eclipses Are Not Monthly 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… Continue reading Unveiling the Mystery of Non-Monthly Eclipses: Lunar and Solar Phenomena