### THE WEIRD NATURE OF “TIME”

Introduction Let’s begin with a simple fact: time passes faster in the mountains than it does at sea level! The difference is small, but it has been measured and it can be measured with precision timepieces that can be bought today. With practice, anyone can witness the slowing down of time. With the timepieces of specialized laboratories, this slowing down of time can be detected […]

### HAWKING RADIATION! MYTH OR FACT?

Introduction For a very long time, it was thought that a black hole only absorbs radiations but this view was changed when Stephen Hawking showed in one of his papers in 1974 that a black hole also emits a special kind of radiation and these emitted radiation results in the black hole slowly losing its mass and eventually evaporates. Now the most obvious question is […]

### BREAKING RSA ENCRYPTION USING SHOR’S ALGORITHM!

Introduction RSA (Rivest–Shamir–Adleman) encryption has been long in use now and has a nimiety of applications, even as far as being used by government agencies. Now, RSA encryption makes use of the fact that some problems are elementary to solve one way but not so trivial to solve the other way. For example, if I ask you, what is the prime factor of 701,111 it […]

### HOW AIRFLOW CAN PREVENT YOU FROM GETTING COVID-19?

As the SARS-CoV-2 cases continue to surge globally, scientists, engineers, and young entrepreneurs are coming with simple yet innovative solutions to fight against the pandemic. Like C-Safekey, Social distancing Device, Affordable N95 masks, etc. Today, I would like to share how as simple as airflow could prevent you from getting COVID-19! What’s the Physics behind airflow? In Physics, the air is analogous to a fluid. […]

In my previous article, we saw how light travels at a 450 angle and any particle with mass will always have at a velocity less than the speed of light. Therefore the events for an ordinary matter with real mass will occur within the region as shown in fig. 1 and there we have our light-cone. One thing to note is that the cone is […]

To understand relativity you just need an understanding of basic algebra. However, things become truly nasty when we start thinking about the events in different frames of reference. One of the best solutions to visualize the transformation between the reference frames between any observers is Minkowski’s spacetime diagram. I hope you have read my last post, ‘Relativity for beginners‘ and are ready to go to […]

### SPECIAL RELATIVITY FOR BEGINNERS

Albert Einstein, in his 1905 paper (On the electrodynamics of moving bodies) formulated a physical theory that described the relationship between space and time. This theory which was built on the earlier work of Hendrik Lorentz is the special theory of relativity. The incompatibility of Newtonian mechanics with Maxwell equations of electromagnetism and Michelson-Morley experiment which demonstrated the non-existence of aether led Einstein to develop […]

### ARE WE IN A SIMULATION?

Back in the early 1970s, Stephen Hawking wrote an astonishing equation which included quantum mechanics, relativity and information. Hawking’s rather simple equation bought us closer to understanding the relationship between quantum physics and black holes. When an object gets closer to a black hole, the tidal forces crush the object. The information (arrangement of particles in some sense) of these objects shatters away completely. But the […]

### BOSE-EINSTEIN STATISTICS AND QUANTUM INFORMATION PROCESSING

Quantum Mechanics has been an all-time favorite topic for all science nerd, however, it’s truly a tedious job to understand the quantum phenomena and even more tedious when it comes to experimenting these effects (To know the three eras of quantum mechanics, check out my post ‘Journey through the quantum mechanics‘). One such experiment is making an economically viable and efficient Quantum Computer (to understand […]

### HOW QUANTUM COMPUTERS WORK?

In the classical computation model, the computer has access to memory which can be found in one of a finite set of possible states, each of which is physically distinct. The state of this memory is generally represented as a string of symbols 0 and 1. In the classical computation model, the fundamental unit of memory is called bit and the size of the memory […]

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