Argh i need help on Electronics homework!

In school we are making a 555 timer and part of our design brief is to get 20 needs for it, 20 situations where it will prove useful and 20 users (age groups). Help me. i cant think of any more (ive done ab out 3-5 of each

anyone?

i wish i could help you but i'm having my own problems. Damn calculus

Plug metal objects into wall sockets. Make sure they are also wet.