physics
Learning and science
physics course notes
SHOW HN2020
How HN took it
6 positive, 4 neutral or asking, 2 mixed, 3 critical, out of 15 comments about the project. Thread score +0.23.
Docs: 1 for, 1 againstDesign: 1 for, 1 againstIdea: 1 for, 0 againstExecution: 1 for, 0 againstPerformance: 0 for, 1 against
The thread, comment by comment
Each row is a top-level comment and its replies, in HN's order. Select a cell to open that comment on HN.
positive neutral or mixed critical about another commenter or something else the maker
What HN said
What people liked
Lots of worked examples with every step shown
From 1 comment
I feel like this page really nails down the key feature that makes great STEM notes: lots and lots of examples. And they're fully worked out too, showing all steps from formula…
theLotusGambit on HN
Relativity train demo explains frames of reference well
From 1 comment
I love the train demo for general & special relativity, they intuitively explain the theories from frames of reference (ground/train). This helped me instantly understand the 2…
gitgud on HN
Helped a user earn a perfect SAT Physics score
From 1 comment
Used this to get a perfect score on SAT Physics. Thank you, Landgreen!
0xb100db1ade on HN
Objections
Equation formatting is centered and hard to read
From 1 comment
The depth and breadth of topics and examples is amazing. Well done! My only nitpick would be the formatting of some of the equations. Instead of ``` $$ E = hf $$ $$ E = (6.626…
ivan_ah on HN
Shared-link title is not descriptive and no cover image
From 1 comment
First and foremost - it is awesome! Though, when I tried to share it on social media, but the title is not too descriptive ("Physics notes") and there is no cover picture.
stared on HN
Some animations move on iOS while scrolling
From 1 comment
Great Work! One thing I noticed was that some Animations (Conductivity and Relative Rockets) move on iOS while scrolling. Others (Orbits, Spring-Mass System and Gravity) work…
maxmunzel on HN
Requests
Connect chapters to hands-on experiments using phyphox data
From 1 comment
> follow up with real world labs I wonder if you could connect various chapters in the notes with hands on experiments people could try based on data collected from…
ivan_ah on HN
Turn examples into self-test quizzes
From 1 comment
The depth and breadth of topics and examples is amazing. Well done! My only nitpick would be the formatting of some of the equations. Instead of ``` $$ E = hf $$ $$ E = (6.626…
ivan_ah on HN
Add college chemistry notes
From 1 comment
Awesome... Looking for College Chemistry... Would greatly appreciate.
flowersjeff on HN
Questions
Does the photon speed in the relativity train example conflict with v+c?
From 1 comment
What an excellent resource! https://landgreen.github.io/physics/notes/relativity/special/ The speed of the photons from the headlights on a moving vehicle is not…
westurner on HN
Do photons really spin, or is polarisation a combination effect?
From 1 comment
Maybe I'm wrong, but whenever I look up the topic there seems to be contradictory information. Maybe the latest in QM is too new to be stable? For ppl in the know, here is a…
Chris2048 on HN
Alternatives named
5 Min Physics from UQ
From 2 comments
Well done. Two small things I have loved when I came across them: 5 Min Physics from UQ (PHYS1171)…
pdm55 on HNNote that there are other "5 min Physics" explanations and demos from UQ: https://teaching.smp.uq.edu.au/fiveminutephysics/index.html
pdm55 on HN
phyphox
From 1 comment
> follow up with real world labs I wonder if you could connect various chapters in the notes with hands on experiments people could try based on data collected from…
ivan_ah on HN
Newton's Cannon simulation by Schroeder
From 1 comment
Well done. Two small things I have loved when I came across them: 5 Min Physics from UQ (PHYS1171)…
pdm55 on HN
GeoGebra
From 1 comment
Well done. Two small things I have loved when I came across them: 5 Min Physics from UQ (PHYS1171)…
pdm55 on HN