Well, the Trump administration has rolled back support for many forms of clean energy.

One exception is nuclear power.

The president wants to quadruple U.S. nuclear capacity by 2050.

And a new generation of advanced reactors is in development that some say could signal the dawn of a new nuclear age.

Our correspondent Paul Solomon reports as part of our series, Tipping Point.

25 miles west of Knoxville, Tennessee, a construction site designed to spark a nuclear

power renaissance.

This is the site where Chiro's power is currently building the only nuclear reactor under

construction in the United States right now. First step for Chiros, Mike Laufer's the site where Chiroz power is currently building the only nuclear reactor under construction

in the United States right now.

First step for Chiros, Mike Laufer's startup, a demo of a small modular reactor called Hermes,

as in this rendering, being built right where the nuclear age was born.

Oak Ridge became into existence because of the Manhattan Project.

So this is K-25.

Historian Ray Smith says 80 years ago, this very area housed the vast complex that made

the stuff of atomic bombs.

All of the highly enriched uranium the nation has today.

For weapons, that is.

But by the time I was in school, the atom was our friend.

I give you the magic fire of the atom.

On TV's Disneyland series, for example, touting the switch from nuclear threat to nuclear

promise. Then came Three Mile Island, Chernobyl, Fukushima, safety regulations in complex new technologies,

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