Question: Have you ever made something blow up

what is a way to keep safe while doing an experiment?

can you / make a firework

whats it like doing science all day , do you ever make massive explotions or wreck the labs?

How can you tell if an experiment has gone wrong if there no reaction from an testers?

what happens if trials where to go wrong or not as expected? do you do everything on a smaller scale until it goes