upside down: on remembering how to differentiate stalactite from stalagmite

i knew one is on top and the other is at the bottom of a cave but i keep forgetting. unless you’re into spelunking, you’ll probably not remember as you don’t use it in your everyday life. i learned of a “nifty trick” today: the ‘c’ in stalactite is for ceiling, while the ‘g’ in stalagmite is for ground.