Questions with the keyword 'time travel'

• If you could make a time machine what would it look like? by alexandermca to Andrew, Daniel, Hayley, Natalia, Peta Comments: (No comments so far )
• Is it physically possible to travel back in time? by aimeej and 1 other. to Andrew, Daniel, Hayley, Natalia, Peta Comments: (so far, 2s comments )