When Galileo first set out to measure light’s motion, it wasn’t even clear if light did involve motion. And despite his experiments pointing the other way, the genius of Galileo rounded up to conclude that light travels with a finite speed. Here’s the saga of how Galileo tried his best to unveil the true nature of light.
From your car keys tossed across the room to missiles launched across the world, projectiles are everywhere. We study the physics driving them.
Electric current is all around us, powering nearly every tool we use in our daily life. We explain what electric current is and set the stage for further studies in electronics.
The Michelson interferometer is what rests in the heart of LIGO, that detected the gravitational waves for the first time. Here’s how it works.
LIGO made the first direct detection of gravitational waves. What is LIGO, how does it work, what are gravitational waves, why does this matter? We explain.
The simple harmonic motion is described here, in all its simplicity, with the use of geometrical constructs as visual aids, for your easier understanding.
Prof. K. S. Mallesh from the Mysore University gives an enlightening talk on QFT, showing that you, me and everything around is all but fields interacting.
Prof. N. D. Hari Dass from TIFR-TCIS, in a very brief seminar, explains the heart of the meaning of light coherence, and its consequences on the HBT effect.
A new gas giant with an orbit thirty times larger than Pluto’s may be orbiting our Sun. It may also explain observed anomalies in the Kuiper belt.
Here we seek to solve the equations of a mass-spring system in order to figure out the positions of the mass at different times during its harmonic motion.
What is the first law of thermodynamics, how is it stated mathematically, what does it mean and what are its implications? We discuss these and more.
Here we analyze the entertaining motion of the mass in a mass-spring system and write down the corresponding equations making use of certain approximations.
There are a number of assumptions made when speaking of a simple mass-spring system. We explain in detail, with analogies, each of these assumptions, here.
Keeping track of directions of fields and forces can be confusing when perceiving charge-motions in magnetic fields. We explain the idea here, in simple terms.
We observe the behavior of moving charges in magnetic fields and find a simple law connecting the directions of fields, charge-motions and magnetic forces.
The description of a travelling pulse is a tricky one. The very motion of the pulse makes it hard to track it. Here we break down the idea in to simple terms.
Usually we simply assume the presence of magnetic fields around electric currents and proceed farther. But here we stop to analyze the fields’ very origin.
Here we apply the concepts we’ve learnt earlier, to phenomena around us, realizing the overwhelming presence of the simple harmonic motion all around us.
Here we describe the simple harmonic motion in a very simple way using simple examples to get you comfortable with the rudiments of oscillatory motions.
A thorough, lightweight introduction to the basic concepts along with an overview of the universal zeroth law of thermodynamics.
Three-day workshop discusses everything from the Sun to citizen science to you and me and the edge of the universe.
The concept of the magnetic fields gives us an excellent aid to intuitively understand the intrinsic working of nature. Here we explain this useful concept.
© 2016 Physics Capsule