Time traveling through nuclear history

You enter the time machine, your boss wishing you luck. You strap in and boot up the machine, inserting the uranium capsule into the power bank. Your trusted digital assistant, Scout, is plugged in, inputting the commands that your supervisor installed on him. You press the necessary buttons and zoom off, traveling in a strange vortex of space-time. However, you notice that something making a strange rattling sound near the mechanics. Do you investigate this?