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

1.3M views · 11K reactions | Why we can't build Time Machine w/ Brian Cox #physics #stephenhawking #timetravel | AstroPhilesz | Facebook

866 reactions · 401 shares | This adorable kid asks Bill Nye The Science Guy a real stumper. Hey, time travel is tricky business. Nothing you can do about it. Except build a time machine, I suppose... Hey Bill Nye, how much energy would it take to power a time machine? | Big Think | Facebook