"However difficult life may seem, there is always something you can do and succeed at. It matters that you donโt just give up."
- Stephen Hawking
rotorage - ํ๋ก๋ก ํฌํ์ด์ง
Waggle(๊ฐ๋ฐ์ค) - ๋ฐ๋ ค๊ฒฌ์ ๋ํ ๋ชจ๋ ๊ฒ์ ๊ณต์ ํ๊ณ ์ํตํ๋ ๊ณต๊ฐ