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Bas Westerbaan

Bas Westerbaan

Jun 29, 2026

3:34
Sure.
3:35
Yeah, it's an interesting question.
3:36
But, but it's, it's, it's...
3:37
The, the people that are actually working on quantum computers, they're not thinking about how much are they improving this key metric each time.
3:47
The thing they are solving is, "Okay, how am I able to fit, uh, uh...
3:52
Okay, I know how to scale now the number of qubits, but now I have two wires which go to each qubit, uh, but I want to have, uh, 200 qubits, but now all these wires don't fit through the aperture of my, of my fridge," right? So they don't think in how many wi- how, how big is the aperture of my fridge to pull through the, all those wires.
4:11
Now what they're thinking about is, can I make this multiplexer to have one wire to control them all? They're thinking in capabilities.
4:58
Let's go.
32:50
And so like, yeah, what are we looking at, and what is the roadmap to being ready?
32:56
So ever since I started working in this field, it always felt far away, and it was always like, yeah, probably somewhere after 2035.
33:08
And one thing to understand is that there's not one approach to quantum computing.
33:12
There are multiple different approaches.
33:14
You have the, the silicon-based, the transmon, ion trap-based, neutral atom-based, photonics, all kinds of different approaches.
33:23
And each of these approaches, they have their own list of challenges.
33:26
10 years ago, the list of challenges was so far, the question was, is even one of them going to make it, right? Then over the, over the years, they, each of them, they, they...

6 MINS LATER

39:51
But, like, how are you breaking apart these different pieces and the rollout? Walk me through what it takes to get there by 2029.

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