Mechanical vs. membrane keyboards: Which type is more ergonomic?

Membrane keyboards are still the most common keyboard type available, but mechanical keyboards are becoming more popular.
Ars Technica

Explaining why your keyboard feels so darn good—or way too mushy

Your keyboard is the thread that connects you to your computer. The way a keyboard feels—from the sensations of each key pressing down and resetting to the build of the board’s chassis—has a direct ...