Someone on Fb was giving away a Dash Rapid Egg Cooker. I don’t go in for kitchen single-use gadgets but I hit the search engines to see what rapid could mean since a hard-cooked egg only takes ten minutes in boiling water.
I found this video of someone praising the utility of the device:
So, you see from the video that this device will hard-cook eggs in a little more than sixteen minutes. Very impressive.