Greg Bernhardt's latest activity
-
Greg Bernhardt reacted to Astronuc's post in the thread Undergrad Abundant water from primordial supernovae at cosmic dawn with
Like.
https://www.nature.com/articles/s41550-025-02479-w, published 3 March 2025 It's those Population III stars again... -
Aerographene is much much lighter than air. Of course, it's not impervious so it is filled with air rather than vacuum, which is why it...
-
Greg Bernhardt replied to the thread There Be Monsters by Dave Collins.awesome, well done! you also now have front page publicity!
-
Greg Bernhardt reacted to DaveC426913's post in the thread There Be Monsters by Dave Collins with Like.
I finished - and printed - my collection of short stories! There Be Monsters A collection of fantastical maritime-themed short stories...
-
Greg Bernhardt reacted to anuttarasammyak's post in the thread Undergrad Relativity, time, and quantum mechanics with Like.
[Mentors’ note: Spun off from this thread] I understand that you are interested in the concept of time in quantum mechanics. Here are...
-
Greg Bernhardt reacted to renormalize's post in the thread Undergrad Relativity, time, and quantum mechanics with Like.
This is a follow-up to my post #27 (which so far has not received any specific comments), in which I drew from the 1982 Silverman...
-
Greg Bernhardt reacted to pervect's post in the thread Graduate Orbits of a photon that can't quite cross the photon sphere of a BH with Like.
First, some background. Sorry, it's a bit long. I've been considering the orbits of photons around a black hole. First some...
-
My condolences! It was very sad to hear this. He will surely be missed. And remembered.
-
Time to retrain as a plumber?
-
It is not necessary to go to the extreme where AGI and highly evolved robotics exist; long before that point we should already be...
-
Greg Bernhardt replied to the thread A.I. - Human Job Replacement.I've read a couple moderating counters to this article and as with most things the truth likely lies in the middle. That said, the...
-
Greg Bernhardt replied to the thread A.I. - Human Job Replacement.MS AI CEO says white collar jobs have 18 months. https://www.ft.com/video/2c428045-bf4f-45bd-ada2-8ba53983cd81
-
Greg Bernhardt replied to the thread Will anyone alive today see a permanent colony on the Moon or Mars?.Elon said we were going to Mars in ten years in 2012.
-
Greg Bernhardt reacted to PeroK's post in the thread Will anyone alive today see a permanent colony on the Moon or Mars? with
Agree.
To many of us Elon Musk (and his kind) are the catastrophe that will destroy life for the vast majority of humans. There would be no... -
Greg Bernhardt reacted to Astronuc's post in the thread High School GRB 250702B, the longest gamma-ray burst in history with Like.
Longest gamma-ray burst confounds astrophysicists, CERN Courier, 14 January 2026...