Tuesday, June 30, 2015

Solving Schrodinger equation

Recap of Quantum mechanics and how to solve Schrodinger equation. Discussion on what information we can get from solving Schrodinger equation and why is it important pertaining to modern electronics. 

Wednesday, June 24, 2015

What is Quantum Mechanics?

Introduction on Quantum mechanics: basis of quantum mechanics like Schrodinger equation and how its solution help us understand matter around us.

Tuesday, May 5, 2015

Why the heck do we need Quantum Mechanics?

Introduction on Quantum Mechanics and why classical theories doesn't work for subatomic particles? 

Sunday, May 3, 2015

How do materials fail?

Why materials fail and what different ways materials can fail? Discussion on difference between brittle and ductile fracture, and fatigue and creep.

Saturday, April 25, 2015

What are polymers?

What are polymers and how they are formed? What determines their properties and current research in the field of polymers.

Tuesday, April 21, 2015

How matter interacts with the light?

Discussion on how matter interacts with the light and how this interaction can help explain many optical properties in the matter. Also, answer to why radio waves can be transmitted through the walls? If you have any question, contact me here- https://twitter.com/devendermaun

Saturday, April 18, 2015

Why glass is transparent?

How light interact with solids? Discussion on phenomena of absorption, reflection and transmission and how they relate to glass with focus on electron-light interaction.

Monday, April 13, 2015

How do batteries work?

Working principle of batteries with focus on Lithium-ion based batteries. 

Thursday, April 2, 2015

How do microwaves cook food?

Mechanism behind microwave cooking. We discuss microwaves and how they interact with water which is key for heating. Also why not to use metals utensil and why ceramics and plastics are not affected by microwaves.

Wednesday, April 1, 2015

What causes the northern lights?

Discussion on how northern lights are produced and how sun is related to them. 

Tuesday, March 31, 2015

How LEDs work and a short guide on Semiconductors

Working principle of LEDs and why they are made from semiconductors. A quick guide on semiconductors and how doping can change them. More discussion here- http://devender-maun.blogspot.com/2015/03/how-leds-work-and-short-guide-on.html

Monday, March 30, 2015

How do solar cells work?

Discussion on how do solar cells work? Why semiconductors are used in solar cells and explanation of photoelectric effect? For more details and schematics check this link: http://devender-maun.blogspot.com/

Sunday, March 29, 2015

Saturday, March 28, 2015

Why Is Sky Blue And Grass Green?

Discussion on why various objects have different color and fundamental mechanisms by which colors are produced. We discuss Rayleigh scattering, electronic transitions and concepts of absorption and reflection.

Friday, March 27, 2015

How was the Universe created? The Big Bang Theory

Discussion on how the Universe was created. A short guide on the Big Bang Theory also. Check this for details- http://devender-maun.blogspot.com/

Thursday, March 26, 2015

A short guide on subatomic particles- Quarks And Leptons

A short guide on what constitute matter. A quick summary of subatomic particles. For more details check this- http://devender-maun.blogspot.com/

Wednesday, March 25, 2015

Why Do We Feel The Heat Of The Sun

Discussion on why do we feel the heat of the sun. For more details check this- http://devender-maun.blogspot.com/

Tuesday, March 24, 2015

How is heat conducted?

Discussion on how is heat conducted and why metals are good conductor of heat.

Monday, March 23, 2015

Why do metals conduct electricity

Understanding why metals conduct electricity whereas ceramics/dielectric do not.

Sunday, March 22, 2015

Difference between metals and ceramics

Trying to understand difference between metals and ceramics in terms of bonding. 

Why do solids exist?

Discussion on why do material exist as solid? Fundamental driving force and concept of bonding.