2.5K reactions · 446 shares | repost from cosmosight How To Build A Time Machine. If time travel was a possibility the past and the future become unlocked. But is it really possible? Well in theory just getting on a plane is time travel, not on the scale of going back to the 1800's but it's a start. Dr Josie Peters and a team of scientists explore more. #timetravel #timemachine #science #physicsjokes | Black Nerd Podcast | Facebook