48 comments
157 forecasters
When will the next commercial supersonic flight occur?
Current estimate
>Dec 2030
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Authors:
Opened:Jun 11, 2018
Closes:Jan 1, 2031
Scheduled resolution:Jan 1, 2031
Spot Scoring Time:Jun 12, 2018
Will there be a commercial service to travel between London and New York City in under three hours before 2030?
5% chance
236
When will an Adaptive Cycle Jet Engine be successfully used in the launch of a rocket to an altitude of at least 160 kilometers?
Jul 2034
(Aug 2032 - >Dec 2034)
Jul 2034
(Aug 2032 - >Dec 2034)
8 forecasters
By 2050, will it be possible to purchase a zero-emissions flight from New York to London for less than half US weekly household income?
40% chance
27