That works great when there is moisture in the air, whwn there is moisture in the air, there is usually a better way of collecting it for less energy.

You posted a solar still, a device which uses solar energy to distil water, an excellent solution to get water while on a desert island.

It won't nearly as well in dry climates

Also, "zero energy use"?

Are you high?

Sunlight is still energy, it absolutely uses energy.

Finally, the is a new adaption of an old tech that has been proven to not work as advertised time and time again, it is on the creators of the new tech to prove that it works, I don't have to disprove this at all, that has been done time and time again.