I was watching a Science Video explaining why Ligtht travels slower in a Transparent Medium than in a Vacuum.
I understand that nothing can exceed 186 272 Miles Per Second. I even have a reasonable handle on how the Relativity Effects create Apparent foreshortening and slowing of time in the...
I may be a bit off...
But if memory serves, Isaac Asimov said that the larger a Black Hole becomes the less average density that it needs to be a Black Hole.
A black hole with a Scwartzchild (sp?) Radius the size of our best guess as to the size of our Universe—the Guesstimate they were...
Friends,
I came across an old (2010) "U" Tube video. It said that recent studies indicated that Protons may actually be about 4% smaller than previously thought.
https://www.youtube.com/watch?v=OnnnJlXvwN8&list=UUvBqzzvUBLCs8Y7Axb-jZew
{Anyone know whether this has been corroborated or...
You may be right.
Nonetheless—lets imagine a teeter-totter with a 1:1 Mechanical Advantage, Lever at the rest position.
However the Fulcrum is also a roller on a cam and when you lift, the relative position of the Fulcrum changes. The farther you lift the load the greater your Mechanical...
I'll assume that we all know of 1st, 2nd and 3rd Class Levers.
Years ago I saw a brief remark in a magazine that I was browsing at the supermarket.
It said that there was an obscure "4th Class Lever"—essentially what you get with a whip where the relative lengths of the Lever Arms are...