Continental Divide(s)/Nature
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Started by metmike - Aug. 5, 2026, 3:21 p.m.

I found this fascinating!

Continental Divide of the Americas

https://en.wikipedia.org/wiki/Continental_Divide_of_the_Americas

The Continental Divide in North America in red and other drainage divides in North America

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The Continental Divide in Central America and South America

Comments
By metmike - Aug. 6, 2026, 1:06 a.m.
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      15 Places the Earth Is RIPPING Apart    

https://www.youtube.com/watch?v=8Qg62XEGfSE

By metmike - Aug. 6, 2026, 6:04 p.m.
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Top 10 Fastest Animals in the World: Fastest Runners in the Animal Kingdom - FreeSchool

https://www.youtube.com/watch?v=fey2JshCNng

By metmike - Aug. 7, 2026, 2:50 p.m.
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This one will BLOW YOUR MIND!

                                                                                                                             

      The Real Science Behind Why Mass Creates Gravity | Feynman

https://www.youtube.com/watch?v=RSmNEISAF50

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                   Much more detail on the same thing:                

He mentions chess playing and weather analogies. Start from the 22 minute  point below.


      The Equation That Runs The Universe — And Why You Were Never Taught It

https://www.youtube.com/watch?v=TgRsJ0nSk7U

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That is in addition to what we call "chaos theory" that relates to tiny changes in the initial conditions that amplify with time.

https://en.wikipedia.org/wiki/Chaos_theory

Chaos theory is a branch of mathematics and an interdisciplinary area of scientific study. It focuses on underlying patterns and deterministic laws of dynamical systems that are highly sensitive to initial conditions. These were once thought to have completely random states of disorder and irregularities.[1] The theory states that within the apparent randomness of chaotic complex systems, there are underlying patterns, interconnection, constant feedback loops, repetition, self-similarity, fractals and self-organization.[2] The butterfly effect, an underlying principle of chaos, describes how a small change in one state of a deterministic nonlinear system can result in large differences in a later state (meaning there is sensitive dependence on initial conditions).[3] A metaphor for this behavior is that a butterfly flapping its wings in Brazil can cause or prevent a tornado in Texas

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                            What does the butterfly effect have to do with weather forecasts?

https://www.nationalacademies.org/news/what-does-the-butterfly-effect-have-to-do-with-weather-forecasts

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      Why Does Time Stop at the SPEED OF LIGHT? Feynman's Mind-Blowing Truth    

https://www.youtube.com/watch?v=4QSCXAQaz0k

                         

By metmike - Aug. 9, 2026, 6:05 p.m.
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Why is the ocean salty?      

https://www.usgs.gov/faqs/why-ocean-salty

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Why Salt Makes Ice Colder – How Cold Ice Gets

https://sciencenotes.org/why-salt-makes-ice-colder-how-cold-ice-gets/


Why Salt Makes Ice Colder


AI Overview

  Adding salt lowers the freezing and melting point of water below 32°F (0°C) through a process called freezing point depression. The salt dissolves in a microscopic liquid film on the ice, and its ions disrupt water molecules from bonding into solid ice. A 10% salt solution freezes at roughly 20°F (-6°C), a 20% solution drops to 2°F (-16°C), and the lowest possible eutectic point for a sodium chloride brine is about -6°F (-21°C). How the Process Works

  • Ions block bonding: Salt splits into sodium and chloride ions when wet. These particles get in the way of water molecules trying to lock into a crystal lattice. 
  • Requires a liquid layer: Salt cannot dissolve on bone-dry, freezing ice. It relies on a tiny, existing film of surface moisture to start the dissolving process. 
  • Absorbs heat: The transition from ice to liquid pulls heat energy from its surroundings. This drops the overall temperature of the ice-water mixture even further. 
Salt Concentration and Temperature Impact
  • 10% Salt Concentration: Lowers the melting/freezing point to ~20°F (-6°C).
  • 20% Salt Concentration: Lowers the melting/freezing point to ~2°F (-16°C).
  • Maximum limit (approx. 23%–25%): Reaches the lowest limit at roughly -6°F (-21°C).
  • Extreme cold: If pavement or air temperatures drop below 15°F (-9°C), standard rock salt (sodium chloride) stops working effectively because there is not enough surface liquid left to dissolve the salt. 

By metmike - Aug. 29, 2026, 5:14 p.m.
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N'to - Trauma (Worakls Remix)

https://www.youtube.com/watch?v=aCuH1OrcPT4


If you like that music, it's the last song here:

Worakls , N'to , Joachim Pastor Mix Special Hungry Music Mixed by Ben C

https://www.youtube.com/watch?v=Et0bFcvSImY