cll7793

joined 2 years ago
[–] cll7793@lemmy.world 1 points 8 months ago

Thank you! I didn't know about them!!

[–] cll7793@lemmy.world 0 points 8 months ago (2 children)

I know right? Open source hardware has so many potential benefits over commercial. Significantly decreased price, privacy, good documentation, right to repair, no conflict of interest and potentially one day performance. Imagine we have engineers from across the world improving a single computer chip design, generator design, solar panel fabrication process, or maybe even perhaps an open source fusion reactor blueprint someday in the next 20 years (pun intended).

I'm seriously considering starting something like this myself. Open source blueprints for power generation/energy storage (regular batteries, thermal sand resevior based batteries, hydro power generation), water filtration, machine tools for fabricating anything, CNC machine, plasma cutters, hand tools, etc. Basically everything you could need to live Open Source.

The problem as always is getting enough designers, engineers, and volunteers.

 

The goal of this post is to provide a hub to discover some powerful internet resources out there.

For example here's one I wanted to share.

  • Open Source Ecology is a project for open source hardware that is significantly cheaper than retail costs. Some of the equipment include open source designs for CNC machines, windmills, tractors, plasma cutters, power supplies, motors, generators, and much more!

https://www.opensourceecology.org/

Additional Resources

 

What free resources do you know on the internet that everyone should use?

Potential Category Ideas

  • FOSS Software
  • Quality of Life
  • Public Services
  • Other List of Lists
  • Personal Finance
  • Github Awesome Repositories
  • Firefox Addons
  • Free Research/Books
  • Piracy Sites & Lists
  • Real Life Resources

Links and Resources

 

What concepts or facts do you know from math that is mind blowing, awesome, or simply fascinating?

Here are some I would like to share:

  • Gödel's incompleteness theorems: There are some problems in math so difficult that it can never be solved no matter how much time you put into it.
  • Halting problem: It is impossible to write a program that can figure out whether or not any input program loops forever or finishes running. (Undecidablity)

The Busy Beaver function

Now this is the mind blowing one. What is the largest non-infinite number you know? Graham's Number? TREE(3)? TREE(TREE(3))? This one will beat it easily.

  • The Busy Beaver function produces the fastest growing number that is theoretically possible. These numbers are so large we don't even know if you can compute the function to get the value even with an infinitely powerful PC.
  • In fact, just the mere act of being able to compute the value would mean solving the hardest problems in mathematics.
  • Σ(1) = 1
  • Σ(4) = 13
  • Σ(6) > 10^10^10^10^10^10^10^10^10^10^10^10^10^10^10 (10s are stacked on each other)
  • Σ(17) > Graham's Number
  • Σ(27) If you can compute this function the Goldbach conjecture is false.
  • Σ(744) If you can compute this function the Riemann hypothesis is false.

Sources:

 

As an alternative if you know any good list of RSS feeds please do share them!