Does this mean we really can have extraterrestrial visitors who have
figured this out already?
(I'm watching the cheesy Project Blue Book on SBS OnDemand)
Jan
On 7/04/2019 11:58 AM, Kim Holburn wrote:
https://www.nature.com/articles/s41467-019-08735-8
By jointly modulating the spatial and temporal degrees of freedom, arbitrary
group velocities are unambiguously observed in free space above or below the
speed of light in vacuum, whether in the forward direction propagating away
from the source or even traveling backwards towards it.
--
Melbourne, Victoria, Australia
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Twitter: @JL_Whitaker
Blog: www.janwhitaker.com
Sooner or later, I hate to break it to you, you're gonna die, so how do you
fill in the space between here and there? It's yours. Seize your space.
~Margaret Atwood, writer
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