When a solid turns into a gas it's a process called Sublimation.

I had REALLY painful tooth for ages but couldn't take time off work - I survived by taking 2 ibuprofen every 4 hours and 2 paracetamol every 4 hours alternately. (no more than eight of each in 24 hours) I also gargled with salt water to make sure I didn't get an infection (my tooth … Read more