I wasted a lot of time on inefficient learning resources (bad courses, bad books, bad websites, etc), so here are books/websites that I've personally found to be super effective. Books are in bullet points and stuff that looks good but I haven't actually tried are in italics.
## Math
- Every [Art of Problem Solving](https://artofproblemsolving.com/store) book
[3Blue1Brown](https://www.youtube.com/@3blue1brown)
## Mechanical Engineering
### Structures
- [Shigley's Mechanical Engineering Design](https://www.mechfamily-ju.com/storage/images/files/file_1731443577xeDvd.pdf)
- [Roark's Formulas for Stress and Strain](https://jackson.engr.tamu.edu/wp-content/uploads/sites/229/2023/03/Roarks-formulas-for-stress-and-strain.pdf)
- [Luş and Keten — Structural Dynamics](https://arch.library.northwestern.edu/concern/file_sets/hh63sw326?locale=en)
- [Irvine — An Introduction to Shock and Vibration Response Spectra](https://www.vibrationdata.com/tutorials2/Tom_book_12_1_19.pdf)
[The Efficient Engineer](https://www.youtube.com/@TheEfficientEngineer)
[Mechanicalc](https://mechanicalc.com/)
[NASA 106943: Preloaded Joint Analysis Methodology for Space Flight Systems](https://ntrs.nasa.gov/api/citations/19960012183/downloads/19960012183.pdf)
[Elements of Metric Gear Technology](https://qtcgears.com/tools/catalogs/PDF_Q420/Tech.pdf)
[Bearing Load Calculation](https://www.ntnglobal.com/en/products/catalog/pdf/2203E_a04.pdf)
[Design of Bearing Arrangements](# Design of bearing arrangements)
[Design of steel beams in torsion](https://www.steelconstruction.info/images/6/6f/Sci_p385.pdf)
[Engineering ABC](https://www.engineering-abc.com/)
### Materials
- [MMPDS](https://oss.jishulink.com/upload/202207/13dc46f8325d4bbebb11fabcaa7838d6.pdf)
[MakeItFrom.com](https://www.makeitfrom.com/)
[ThisToThat.com](https://www.thistothat.com/)
### Thermofluids
- [Incropera et al — Fundamentals of Heat and Mass Transfer](https://charlaenlamesadelcasino.wordpress.com/wp-content/uploads/2014/01/fundamentals-of-heat-and-mass-transfer-incropera.pdf)
- [White — Fluid Mechanics](https://lunyax.wordpress.com/wp-content/uploads/2018/04/fluid-mechanics-fundaments-and-applications.pdf)
- [Peric et al — Computational Methods for Fluid Dynamics](http://servidor.demec.ufpr.br/CFD/bibliografia/Ferziger%20Peric%20-%20Computational%20Methods%20for%20Fluid%20Dynamics,%203rd%20Ed%20-%202002.pdf)
### Controls
- [Franklin and Powel — Feedback Control of Dynamic Systems](https://api.pageplace.de/preview/DT0400.9781292274546_A37747472/preview-9781292274546_A37747472.pdf)
- *[Tedrake — Underactuated Robotics](https://underactuated.csail.mit.edu/index.html)*
- *[Acarnley — Stepping Motors](https://nirmt.com/storage/uploads/E-BOOK_BE-AUTOMOBILE/Stepping%20motors%20%20a%20guide%20to%20theory%20and%20practice.pdf)*
*[Controls Challenges](https://janismac.github.io/ControlChallenges/)*
*[Signals and Systems MIT OCW](https://ocw.mit.edu/courses/res-6-007-signals-and-systems-spring-2011/pages/lecture-notes/)*
### Racing
- [Milliken and Milliken — Race Car Vehicle Dynamics (RCVD)](https://annas-archive.pm/md5/5a74cb34ab4106a2c20e6f85caf56714)
- [Gillespie — Fundamentals of Vehicle Dynamics](https://annas-archive.pm/md5/12cd2a68107493291a3f111fe8076efb)
- [Segers — Analysis Techniques for Racecar Data Acquisition](https://annas-archive.pm/md5/f74f2737a653b41efca348e2dec8773a)
## Software
### Languages
[Python Like You Mean It](https://www.pythonlikeyoumeanit.com/)
[Learn C++](https://www.learncpp.com/)
### Machine Learning
- *[Scardapane — Alice’s Adventures in a differentiable wonderland](https://www.sscardapane.it/assets/alice/Alice_book_volume_1.pdf)*
*[Your Machine Learning Library](https://open.substack.com/pub/thepalindrome/p/the-palindrome-library*)*
### Computers
*[Quantum Country](https://quantum.country/)*
*[Nand Game](https://nandgame.com/)*
## Humanities
- *[Diamond — Guns, Germs, and Steel](https://www.amazon.com/Guns-Germs-and-Steel-audiobook/dp/B004JLTPTI?)*
*[Histography](https://histography.io/)*