Indeed, as the above calculation indicates, to take full advantage of the memory space available, the ultimate laptop must turn all its matter into energy.

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At some point, Moore's law will break down.

At some point, Moore's law will break down.

Of course, not everybody's willing to go out and do the experiments, but for the...

Of course, not everybody's willing to go out and do the experiments, but for the...

There are considerable advantages to using many degrees of freedom to store information, stability and...

There are considerable advantages to using many degrees of freedom to store information, stability and...

Computers are famous for being able to do complicated things starting from simple programs.

Computers are famous for being able to do complicated things starting from simple programs.

It's also a reasonable scientific program to look at the dynamics of the standard model...

It's also a reasonable scientific program to look at the dynamics of the standard model...

If you wanted to build the most powerful computer you could, you can't do better...

If you wanted to build the most powerful computer you could, you can't do better...

We have a picture for how complexity arises, because if the universe is computationally capable,...

We have a picture for how complexity arises, because if the universe is computationally capable,...

Similarly, another famous little quantum fluctuation that programs you is the exact configuration of your...

Similarly, another famous little quantum fluctuation that programs you is the exact configuration of your...

Nothing in life is certain except death, taxes and the second law of thermodynamics.

Nothing in life is certain except death, taxes and the second law of thermodynamics.

One of the things that I've been doing recently in my scientific research is to...

One of the things that I've been doing recently in my scientific research is to...

Every physical system registers information, and just by evolving in time, by doing its thing,...

Every physical system registers information, and just by evolving in time, by doing its thing,...

Another feature that everybody notices about the universe is that it's complex.

Another feature that everybody notices about the universe is that it's complex.

I have not proved that the universe is, in fact, a digital computer and that...

I have not proved that the universe is, in fact, a digital computer and that...

According to the standard model billions of years ago some little quantum fluctuation, perhaps a...

According to the standard model billions of years ago some little quantum fluctuation, perhaps a...

Of course, one way of thinking about all of life and civilization is as being...

Of course, one way of thinking about all of life and civilization is as being...

Thinking of the universe as a computer is controversial.

Thinking of the universe as a computer is controversial.

Something else has happened with computers.

Something else has happened with computers.

Merely by existing and evolving in time - by existing - any physical system registers...

Merely by existing and evolving in time - by existing - any physical system registers...

All physical systems can be thought of as registering and processing information, and how one...

All physical systems can be thought of as registering and processing information, and how one...

The amount of information that can be stored by the ultimate laptop, 10 to the...

The amount of information that can be stored by the ultimate laptop, 10 to the...