DaveE's latest activity
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DaveE reacted to Charles Link's post in the thread Undergrad Finding the minimum distance between two curves with
Like.
@DaveE Excellent. In hindsight, your solution where you pointed out the inverted and translated symmetry of the two essentially... -
DaveE replied to the thread Undergrad Finding the minimum distance between two curves.My approach relied on symmetry and geometrical reasoning with just a tiny bit of calculus. Since these two curves are translated and...
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Hi all, I've been in the world of physics for about 4 years. I teach physics only and want to continue doing so. Teaching high school...
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DaveE reacted to DaveC426913's post in the thread Insights Thinking Outside The Box Versus Knowing What’s In The Box with Like.
6000+ exoplanets detected (1988+) Discovery of the Higgs Boson (2012) Accelerating Expansion of the Universe (1998/2011) Quantum...
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DaveE reacted to Quarker's post in the thread Insights Thinking Outside The Box Versus Knowing What’s In The Box with
Skeptical.
It’s been 50 years since any major new developments have occurred. I don’t think there’s any doubt that modern physics exists within a... -
DaveE reacted to Dale's post in the thread Insights Thinking Outside The Box Versus Knowing What’s In The Box with Like.
@Adnorf45, and many of the other people in this thread, are completely misunderstanding the point of the article. The article does not...
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DaveE reacted to berkeman's post in the thread 4 of 4 models of automated blood pressure cuffs fail to read my BP with Like.
I worked an EMS standby shift every year at a big Masters Swim Meet for about 15 years (starting a month after I got my medic license)...
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DaveE replied to the thread Help with an invention.I think you'll find that He is more expensive than electricity.
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We hear from @Evo every once in a while in the Mentor forums. Life has gotten busy for her, so she has less time to spend at PF. The...
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DaveE reacted to .Scott's post in the thread Do old CRT and O-scopes degrade to emit harmful X Rays? with Like.
Don't use any color CRT's before the FDA 1968 Radiation Control Act. Before that time, unintentional and excessive X-ray radiation was...
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DaveE reacted to phyzguy's post in the thread Undergrad Exploring the possibilities of storing electricity from lightning with Like.
One way to look at it is that the energy in a lightning bolt is about 1GJoule or 1,000,000 1,000,000,000 Joules. This is equal to about...
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DaveE reacted to jedishrfu's post in the thread Graduate About a natural extension of Collatz conjecture with Like.
Collatz is definitely a fascinating math excursion. Grad students are warned away from it because its study can consume a lot of time...
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Fantastic photos of the insides of instruments: Probe lenses and focus stacking: the secrets to incredible photos taken inside...
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Welcome to PF. :smile: Fixed that for you. :wink:
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DaveE reacted to Chloren's post in the thread 12 year old seeking feedback on multi-element blade alloy with Like.
Thanks for your help and I will take your advice into mind, i didn't know much about metallurgy. I didn't realize that heat treatment...
