Time travel developed before 2050

Created by btrettel on 2015-09-21; known on 2050-01-01

• btrettel estimated 1% on 2015-09-21
• HonoreDB said “I kind of wanted the “known on” to be, like, 1970.” on 2015-09-21
• btrettel said “Haha, that’s perhaps the best comment I’ve read on here!” on 2015-09-21
• JoshuaZ estimated 1% and said “I presume that a wormhole which allows time travel but no further in the past than when the wormhole was created (which is both plausible under GR and would help explain lack of time travelers) would count as time travel. ” on 2015-09-21
• JoshuaZ said “Also, I almost agree with brettel, I think it is though the second funniest comment here, after Gwern’s comment here http://predictionbook.com/predictions/4462 which in context was made after many predictions of high precision by Harbinger1” on 2015-09-21
• Raahul_Kumar estimated 0% and said “My grandfather lives on happily!” on 2015-09-24
• supinf estimated 0% on 2015-09-26
• tstelzig estimated 1% on 2015-09-30
• Medea estimated 1% on 2015-10-08
• themusicgod1 estimated 45% on 2016-07-09
• CaelumCodicem estimated 1% on 2019-11-06