India Achieves Criticality Is this the End of Energy Crisis? | Advance Nuclear Reactor Explained🇮🇳

  Advance Nuclear Reactor (Thorium)

India Achieves Criticality Is this the End of Energy Crisis? | Advance Nuclear Reactor Explained🇮🇳

It is the talk of the nation; the Prime Minister's tweet has gone viral! India's indigenous nuclear program has achieved 'criticality.' It is making headlines, and congratulations are pouring in.

But—truth be told—90% of you probably haven't quite grasped "what the big deal is." The internet is awash with complex scientific jargon, yet no one is explaining to you in simple terms just how 'powerful' this achievement is for India.

In today's video, we will set aside the scientific intricacies and get straight to the point. I will explain exactly what this 'criticality' is, and why every Indian should be swelling with pride today.

First, let's get to the root of the matter. Imagine you possess an advanced machine—one capable of harnessing the universe's tiniest particles—those minuscule atoms—to generate limitless energy. That, in essence, is the fundamental concept behind a nuclear reactor.

Now, think of an atom as something that is typically very calm and stable. It generally remains indifferent to the world around it.

However, there are certain 'special' atoms—such as Uranium—that, if struck with precision and accuracy, can be made to split apart.

And the moment an atom splits in this manner, we refer to it—in scientific parlance—as 'Nuclear Fission.'

This is where the real action begins. When an atom undergoes fission, it releases an immense amount of heat—pure energy. And here is the fascinating part: the process also ejects several new 'neutrons. 

'Now, consider what happens next: these newly released neutrons go on to strike and split *other* atoms. This, in turn, releases even more neutrons, which proceed to split yet *more* atoms.

It is just like a chain of dominoes. One falls, knocking down the next; the second knocks down the third. In this manner, a 'chain reaction' is formed. Now, two scenarios can arise here—situations that give scientists sleepless nights.

Scenario 1: The reaction begins, but it does not continue indefinitely. Much like a line of dominoes: if you knock one over, a few more will fall, but if the placement is slightly off somewhere along the line, the movement comes to a halt.

In atomic terms, this means the reaction fails to generate enough 'neutron effects' to sustain the subsequent reaction. In this scenario, no electricity will be produced.

Scenario 2: The dominoes are arranged with absolute precision—at just the right distances—ensuring that once the reaction begins, each one continues to knock over the next in an unbroken sequence.

 In atomic terms: the exact number of neutrons released when an atom splits is precisely the number utilized to power the very next reaction. The demand and supply of power match perfectly!

In this state of perfect equilibrium, the reaction neither fizzles out nor spirals out of control to cause an explosion. Instead, it persists as a stable chain, continuously generating energy for us.

And friends, this golden equilibrium point is what we call 'Criticality'!

So, when it is announced that an Indian reactor has achieved criticality, it simply means that the controlled nuclear fission chain reaction within that reactor has become 'self-sustaining.'

The system has locked onto that precise balance where, at every step of the reaction, there is no longer any need to apply external 'force' or provide additional assistance. It is now generating energy entirely under its own power.

Reaching criticality is undoubtedly a major milestone, but remember: it is not the finish line. The next step is to harness this energy to generate electricity and deliver it to our homes. However, the level of 'high precision' and accuracy required to reach this point is something possessed by very few nations in the world. This is because the real challenge here lies not in the energy itself, but in bringing that neutron chain reaction into a state of exact balance.

Even a slightest misstep, and the chain will break. Conversely, if neutron production surges, stability will be jeopardized. Achieving criticality in a safe and steady manner stands as a testament to the caliber and prowess of India's scientists.