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Welcome to Tech News briefing. It's Monday, December 16th. I'm Bell Lynn for the Wall Street Journal.

One of Google's science projects is paying off in a big way, albeit way early. We'll find out why its parent company Alphabet saw its stock jump nearly 12%

last week on the back of a new in-house chip that's designed to power quantum computing.

And then, who is David Sacks, President-elect Donald Trump's new pick for White House,

artificial intelligence, and CryptoZar.

Our reporter Ralph Winkler tells us who the tech investor is and how he could influence tech policy in the White House.

But first, quantum computing is still a long way off from any commercial use.

But that didn't stop Google from making a major announcement in the form of a new in-house quantum chip called Willow last week.

For more on Google's big bet in quantum computing, we're joined by Dan

Gallagher, a columnist for WSJ's heard on the street column. Dan, what exactly is Google's new

in-house chip Willow used for? It's a chip that's designed to essentially do quantum computing,

which is this complicated concept of

using quantum mechanics to build like a type of supercomputer that's far beyond the computational

capabilities of anything we have today. Just as a case in point, in one of their test modules,

they're able to perform like a series of calculations in a matter of minutes that would have taken something like millions of years using today's standard computing.

And what are some of the other things that Willow or other quantum computers could be used for?

Theoretically, quantum computing has potential applications and being able to design things like

drugs and medicines down to the molecular level. You could like theoretically perform

hyper-accurate weather forecast much further out because you need that kind of computing power

...