Why are advanced microchips so difficult and expensive to produce?

Advanced microchips are like tiny cities where millions of workers do their jobs inside a very small space, and building them is super hard and takes a lot of money.

Imagine you're trying to build a city, but instead of using bricks or wood, you're working with something so thin it's almost like paper. You have to place each worker (which are tiny parts called transistors) exactly where they need to be, and there are millions of them in one chip. That’s like trying to put millions of people into a city and making sure every person has the right job and is in the right spot!

Microchips are built using a process called lithography, which is like drawing with super tiny tools. It's kind of like using a magnifying glass that’s so powerful it can see things that are way smaller than a grain of sand.

But to do this, scientists need really clean rooms, cleaner than your bedroom after a big cleanup! Even one little speck of dust could mess up the whole city inside the chip. And all these tiny parts have to be made with special tools and chemicals, which cost a lot of money.

That’s why making advanced microchips is like building a super-detailed toy city, it takes patience, precision, and a lot of resources!