The Hubble constant: a mystery that keeps getting bigger: Scientists have found a discrepancy in estimates for the rate of expansion of the universe. Why is this and what does it mean? https://www.theguardian.com/science/2019/nov/02/hubble-constant-mystery-that-keeps-getting-bigger-estimate-rate-expansion-universe-cosmology-cepheid We (more…)
Spoiler* – Visual metaphors and allegorical subtext within Gravity, with a smattering of science questions!
I felt the story was more about the earth, & this human moment in time, more than just the astronauts’ experience. More about our collective human condition – doomed in peril in space, doomed to die on earth, and coping with that in a way that compels us to survive.
Injecting elegance into Superstring may not be a bad thought….
Did Garrett Lisi have a wipeout? Maybe not, but what he injected into the GUT & superstring conversation is desperately needed. There *IS* groupthink, and there is confirmation bias, and there is protective (more…)
Time to end within earth’s lifespan.
I think the below two links are best summed up like this: Time may end during Earth’s lifespan because there may not be enough mass in the universe to help it collapse back in on itself, therefore the (more…)