Apple's policies prevent using JIT compilation, they don't ban VM's outright.

...can I ask a really stupid question? What is a VM in this context?

I've used VM's for years to run Windows on top of macOS or Linux on top of Windows or macOS on top of macOS when I need an isolated testing environment. I also know that Java works via the "Javascript Virtual Machine" which I've always thought of as "Java code actually runs in its own lightweight operating system on top of the host OS, which makes it OS-agnostic". The JVM can't run on bare metal because it doesn't have hardware drivers, but presumably it could if you wrote those drivers.

But presumably the VM being discussed in TFA isn't that kind of VM, right? Bytedance didn't write an operating system in Javascript?

I've been seeing "VM" used in lots of contexts like this recently and it makes me think I must be missing something, but it's the sort of question I don't know how to Google. AIs have not been helpful either, plus I don't trust them.

Again, comparing apples to oranges.

If 50 years we need to build a single nuclear plant while you have to build twice the solar capacity I doubt that solar come out cheaper.

In what timeframe?

Solar panels last 20-25 years. Nuclear power plants last for 50+ years and use fraction of the space that solar. It is hard to believe that the TCO is lower. Usually people just looking at the price in the short term and comparing that. Batteries are a whole different can of worms. Super toxic and you need a high volume of those because the energy density is much lower.

https://energyeducation.ca/encyclopedia/Energy_density

The major point here is that nuclear is controllable energy type while solar is not. So comparing only the price is apples to oranges comparison. Most human energy consumers need energy with a fixed rate and all physical metrics withing a tight margin. To prouduce that with only solar energy is impossible.

This means you have to build other energy sources into the grid like gas turbines to be able to control the grid. So if you really want to compare energy prices than you have to look into the TCO.

https://www.reddit.com/r/energy/comments/11q58pe/price_trend...

Isn't the price of a KW of solar panels similar to the price of a KW of nuclear power these days?

I wonder what hinders us to replace the roofs of all houses with solar panels and put batteries in all cellars?

It might still be useful to build out nuclear power plants. But the solar+battery approach seems like an easier first step to increase the available power, doesn't it?