Hacker News
- Beginner's Guide to Aeronautics https://www.grc.nasa.gov/www/k-12/airplane/guided.htm 17 comments
- Incorrect Lift Theory https://www.grc.nasa.gov/WWW/k-12/airplane/wrong1.html 85 comments
- An Introduction to Tensors for Students of Physics and Engineering (2002) [pdf] http://www.grc.nasa.gov/WWW/k-12/Numbers/Math/documents/Tensors_TM2002211716.pdf 21 comments
- Estimating the temperature of a flat plate in low Earth orbit (LEO) http://www.grc.nasa.gov/WWW/K-12/Numbers/Math/Mathematical_Thinking/estimating_the_temperature.htm 2 comments
- Is there a Physics Engines with Wind Resistance for Terminal Velocity? https://www.grc.nasa.gov/www/k-12/airplane/termv.html 22 comments gamedev
- Can you make supersonic incompressible flow? https://www.grc.nasa.gov/WWW/K-12/airplane/nozzled.html 5 comments askscience
- Why does a gases Mach Number affect whether it’s velocity increases or decreases when entering a convergent or divergent nozzle? https://www.grc.nasa.gov/WWW/BGH/nozzled.html 6 comments askscience
- Good code never dies. CEA still maintained by NASA; code predates NASA http://www.grc.nasa.gov/www/ceaweb/ceahistory.htm 31 comments programming
- An approachable introduction to Tensors https://www.grc.nasa.gov/www/k-12/numbers/math/documents/tensors_tm2002211716.pdf 5 comments math
- TIL Sound travels faster through warm air, than it does cold. http://www.grc.nasa.gov/www/k-12/airplane/sound.html 5 comments science
- Bored? Why not play with matches! A simple rocket made out of matches. http://www.grc.nasa.gov/www/k-12/trc/rockets/match_rocket.html 10 comments space
- NASA unveils its smallest rocket family to date. http://www.grc.nasa.gov/www/k-12/trc/rockets/match_rocket.html 26 comments space
- TIL that in one cubic meter of air the number of molecules is about ten to the 23rd power. That means in one cubic millimeter there would be 100 trillion molecules. http://www.grc.nasa.gov/www/k-12/airplane/fluden.html 29 comments science
- An Introduction to Tensors for Students of Physics and Engineering http://www.grc.nasa.gov/www/k-12/numbers/math/documents/tensors_tm2002211716.pdf 7 comments math