Mirror, mirror on the Moon -- the most powerful telescope?

News Source

PARIS -- Desolate, airless and with no people around for hundreds of thousands of kilometers (miles), the Moon is a great place -- for astronomers, that is.

But making telescopic mirrors -- dozens are needed in a giant complex -- is eye-wateringly expensive, for it requires grinding and polishing glass to an accuracy of a few tens of billionths of a meter. And, after making a mirror, there's the risk of breaking it when you haul it to the Moon.

Enter an idea that has been kicked around for more than a century and a half -- the liquid mirror telescope.

This seems to be very interesting. "Liquid mirror telescope".
Any ATS members who has additional info on this?