Greg Bernhardt's latest activity
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Greg Bernhardt reacted to sbrothy's post in the thread Will anyone alive today see a permanent colony on the Moon or Mars? with
Agree.
If nothing else then for the He-3. I know they've said for the last 100 years that we're only 20 years from sustainable fusion but at... -
Greg Bernhardt reacted to BWV's post in the thread Will anyone alive today see a permanent colony on the Moon or Mars? with
Like.
Curious if there is a consensus here -
Greg Bernhardt replied to the thread Will anyone alive today see a permanent colony on the Moon or Mars?.This question sort of has a personalized rolling date window depending on when a user reads this. Let's take from the thread start date...
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Greg Bernhardt posted the thread Insights Revisiting the Velocity-Time Function in STEM Educators and Teaching.Revisiting the Velocity-Time Function https://www.physicsforums.com/insights/revisiting-the-velocity-time-function/ Author: @neilparker62
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Greg Bernhardt reacted to DaveC426913's post in the thread High School What fun could you have with a fountain design in artificial gravity? with Like.
Backstory (TL;DR): I've been searching for an allegory/symbolism for a journey to - and creation of - a colony inside an asteroid. I...
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Greg Bernhardt reacted to Astronuc's post in the thread Hantavirus outbreak aboard ship MV Hondius; virus present in Argentina with Like.
Several days ago, an outbreak of Hantavirus was reported aboard cruise ship MV Hondius, which apparently set sail from Argentina. Ref...
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Greg Bernhardt reacted to Astronuc's post in the thread High School Near-Earth Object/Asteroid 2026 JH2 with Like.
A near-earth asteroid was discovered on 10 May 2026. It is expected to pass close to earth, 91,000 ± 4,500 kilometres (56,500 ± 2,800...
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Greg Bernhardt reacted to pasmith's post in the thread Undergrad A counterexample to "the integral of the limit is the limit of the integral" with Like.
I was going to append this to @chwala's thread here, but thought it deserved a new thread. For ##n \geq 1##, define $$f_n : [0,1] \to...
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Greg Bernhardt reacted to Astronuc's post in the thread Hantavirus outbreak aboard ship MV Hondius; virus present in Argentina with Like.
Apparently, there are 11 cases of hantavirus confirmed, including 3 deaths...
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Greg Bernhardt reacted to Rive's post in the thread Hantavirus outbreak aboard ship MV Hondius; virus present in Argentina with Like.
That's already at the level of common flu (potentially able to maintain stable spreading). I would very much like to see some details...
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Greg Bernhardt replied to the thread Hantavirus outbreak aboard ship MV Hondius; virus present in Argentina.Hoping for the best! https://www.cnn.com/2026/05/11/us/live-news/hantavirus-cruise-outbreak
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Greg Bernhardt reacted to Demystifier's post in the thread Graduate Six Textbook Mistakes in Quantum Field Theory with Like.
I joined this forum soon after writing this paper, so this is how I have chosen my name. :smile:
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Greg Bernhardt reacted to Muu9's post in the thread Graduate Six Textbook Mistakes in Quantum Field Theory with Like.
https://arxiv.org/abs/2604.24871 Discussion on Reddit:
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Greg Bernhardt reacted to DaveC426913's post in the thread High School Uniform thermal expansion of metals with Like.
(What? No Grade School prefix? :) ) Apologies for the lowest form of physics question: a quiz on social media. Does distance X a...
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Greg Bernhardt reacted to jedishrfu's post in the thread Challenge MIT Announces the Largest Collection of Olympiad Math Problems with Like.
https://news.mit.edu/2026/mit-scientists-build-worlds-largest-collection-olympiad-level-math-problems-open-0424 MIT researchers have...