Both of your links are basically ads, or at least the titles make them sound like it.

> Lenovo showed a model that incorporates solid-state air cooling. That technology has been around for a while but it looks like it matured and is production-ready. This allows for super-light and slim designs, which, in turn, should allow for bigger batteries installed and I think it's some sort of breakthrough

See now this sounds like something I'd click on. (The linked article doesn't really discuss any of the technology or engineering though)