Not A Dry Eye In The House......
News4 mins ago
The answer to frost-covered car windscreens.
Apparently this really works:
Halve a potato and rub the exposed side over your windshield the night before cold weather.
The next morning, rinse the screen and wipe with your wipers ― you should be good to go, says The Weather Network.
All to do with rge starch in potatoes apparently - forms a barrier between the glass and water in the air.