Via everywhere on the internet, here's Jeremiah McDonald, who used a 20-year-old videotape of his younger self to carry on a conversation across time. (Seems legit at a casual glance, but I suppose it could be faked.) [embed]http://youtu.be/XFGAQrEUaeU[/embed] Sadly we can't actually transfer information into the past. If we could, I would have started writing this book a bit earlier.
