If I could invent something, it would definitely be a time machine. A time machine could help people refresh their memories and also we could see our future in that. I would keep that time machine in a secret room, which would have my password on It’s door, so that if a person comes with bad intentions I could stop him/her from going in that room. The time machine would be a huge clock. It would have two buttons on it, red and green. On pressing the red button, a person would go in their past, and by pressing the green button, they would go in their future. Then after pressing the button a loud siren would pop up and the whole room would vibrate. After the siren rungs, the clock dichotomize in two parts and the person would have to hop in that large ditch. After jumping in the deep pit, the person would directly go in their past or future and can enjoy!