Check out 18 Things You Didn’t Know You Needed To Know

5. THIS is how a barrel gets crushed.

via reddit /u/ Andrewski2000

6. THIS is how the harmonics of a flute work.

via Mark Shep

7. You can make glass at home.

Just follow these detailed instructions from wikiHow. 

8. THIS is how a flower opens.

It’s so sweet I could watch it all day.