To the stars propulsion, features, missions, activities.
Dr. Peterson recently traveled to the UK for a series of lectures at Oxford and Cambridge. This conversation was recorded during that period with Sir Roger Penrose, a British mathematical…
Black Holes Will Start to Glow in the Night Sky As described by the Penrose Institute, our universe is expanding and as it cools over the next googol (10100) years the…
The cosmos is littered with blue and red stars... but curiously no green ones. Why? Is this a fundamental constraint or merely an unlikely outcome? And what would it mean…
Is faster-than-light (FTL) travel possible? In most discussions of this, we get hung up on the physics of particular ideas, such as wormholes or warp drives. But today, we take…
What you should learn from Comet NEOWISEby Hariharan KarthikeyanMonday, July 27, 2020Comments (5) Checkout this publication by Hariharan. He attended his first SacL5 monthly meeting last week.And check out the full…
Terry Bisson, in his short story, "They're Made Out of Meat," speculates on the odd fact that this material in our head has consciousness and thinks. When we think about…
How a Dispute over a Single Number Became a Cosmological Crisis Two divergent measurements of how fast the universe is expanding cannot both be right. Something must give—but what? Read…
Alcubierre drive The Alcubierre drive, Alcubierre warp drive, or Alcubierre metric (referring to metric tensor) is a speculative idea based on a solution of Einstein's field equations in general relativity as proposed by Mexican theoretical physicist Miguel Alcubierre, by which…