The Raizen Group demonstrated significant cooling of atoms with the one-way wall in a series of experiments in 2008.

Later model runs in some cases predicted less severe effects, but continued to support the overall conclusion of significant global cooling.

Whichever is used, heating must be supplied, as the adiabatic expansion of the CO results in significant cooling.

Studies of the Earth's climate have shown that such aerosol can achieve significant cooling.

And there's been significant cooling.

For example, sulfur dioxide (SO2) is one of the most common gasses to be released from volcanoes and causes significant global cooling after eruptions.

Better insulation with an R-value of 21.6 vs. 11 for wood results in significant cooling and heating savings.

Heat generated by fission products would initially be at about 7% of full reactor power, which requires significant cooling.

-After the asteroid impact and the subsequent volcanic activity, there was undoubtedly a significant cooling, but nothing of the magnitude of the later event.

He took strong exception to what he considered a humiliation, leading to a diplomatic contretemps and a significant cooling of relations between the two countries.