We can never fully grasp, define, or understand a system we are part of.
“Distance provides perspective” and wisdom in life is often about perspective.
11 BIG IDEAS OF PHYSICS
via @BlasMoros of @LTCWRK
(Thread 👇)
We can never fully grasp, define, or understand a system we are part of.
“Distance provides perspective” and wisdom in life is often about perspective.
The study of the large-scale behavior of systems exchanging work and heat with connected systems or their environment.
- The Transitive Law
- The Law of Conservation
- The “Contrast Advantage” Law
- The “Absolute Zero” Law
Describe how objects in the world move and react to forces.
- The Inertia Law: An object at rest, stays at rest
- Force = Mass * Acceleration (F = ma)
- The Law of Reciprocity: For every action there is an equal and opposite reaction
A complex system exhibits emergent behavior due to the collective interaction of many individual agents according to simple rules.
Complex systems are sensitive to original conditions, influenced by feedback loops, and buffeted by random outside variables.
Chaos leads to complicated, non-periodic behavior from iteration of a simple rule(s), whereas complexity leads to rich, collective behavior from simple interactions between large numbers of subunits.
Complexity lies in between order and chaos.
A process where higher-order behavior emerges from the interaction of lower-order components.
These smaller or simpler entities do not exhibit the properties that the higher-order entity ends up exhibiting.
The whole is greater than the sum of its parts.
The quantity of motion of a moving body, measured as a product of its mass and velocity: Momentum = Mass * Velocity
Momentum is broadly applicable outside of physics as it can help you understand how things change and how difficult or easy it is to change them.
Velocity has magnitude and direction whereas speed does not.
While nobody knows why nature favors velocity over mass, she does, and we should harness it.
There's a stark difference between potential energy and kinetic energy.
Friction is the force that causes the resistance felt when two objects are moving against one another.
Inertia is a prime example of friction.
More from Science
💥💥 Situation Update, Dec. 7th – DNI John Ratcliffe, the bogus science of PCR testing and China’s GMO super soldiers
✅ I cover the bogus science behind PCR testing, explaining from a lab science point of view why no PCR instrument can “quantify” anything,
[M. Adams]
1. whether it’s a coronavirus viral load or the percentage of a food that’s GMO. In fact, literally all the tests currently conducted with PCR equipment are scientifically invalid when it comes to diagnosing illness or determining infectiousness. The sample acquisition used for
2. PCR tests — nasal swabs — aren’t even standardized! (100% bogus junk science).
After covering PCR tests, today’s update then goes into detail about Director of National Intelligence (DNI) John Ratcliffe, pointing out that he will be issuing a report on foreign interference
3. in U.S. elections on or before Dec. 18th. If this report confirms the existence of foreign interference that was capable of altering the outcome of the election, it gives President Trump full justification to declare the election null and void and dispatch military troops
4. to seize all ballots and hold a new count under military authority.
👉 Podcast notes and sources:
The office of military commissions has cleared its calendar for December:
https://t.co/u4nFRiUj8m
US military STOCKPILED Pfizer’s mRNA vaccineBEFORE it was approved by theFDA
✅ I cover the bogus science behind PCR testing, explaining from a lab science point of view why no PCR instrument can “quantify” anything,
[M. Adams]
1. whether it’s a coronavirus viral load or the percentage of a food that’s GMO. In fact, literally all the tests currently conducted with PCR equipment are scientifically invalid when it comes to diagnosing illness or determining infectiousness. The sample acquisition used for
2. PCR tests — nasal swabs — aren’t even standardized! (100% bogus junk science).
After covering PCR tests, today’s update then goes into detail about Director of National Intelligence (DNI) John Ratcliffe, pointing out that he will be issuing a report on foreign interference
3. in U.S. elections on or before Dec. 18th. If this report confirms the existence of foreign interference that was capable of altering the outcome of the election, it gives President Trump full justification to declare the election null and void and dispatch military troops
4. to seize all ballots and hold a new count under military authority.
👉 Podcast notes and sources:
The office of military commissions has cleared its calendar for December:
https://t.co/u4nFRiUj8m
US military STOCKPILED Pfizer’s mRNA vaccineBEFORE it was approved by theFDA
Localized Surface Plasmon Resonance - an overview | ScienceDirect Topics
https://t.co/mzS7vVSREJ
https://t.co/353PdAX2fa
https://t.co/3yBImjOdd4
In some cases, almost 100% of the light energy can be converted to the second harmonic frequency. These cases typically involve intense pulsed laser beams passing through large crystals, and careful alignment to obtain phase matching.
https://t.co/mzS7vVSREJ
https://t.co/353PdAX2fa
https://t.co/3yBImjOdd4
In some cases, almost 100% of the light energy can be converted to the second harmonic frequency. These cases typically involve intense pulsed laser beams passing through large crystals, and careful alignment to obtain phase matching.
So it turns out that an organization I thought was doing good work, the False Memory Syndrome Foundation (associated with Center for Inquiry, James Randi, and Martin Gardner) was actually caping for pedophiles. Uhhhh oops?
Since this, bizarrely, turned out to be one of my longest videos ever (??) here's a quick thread to sum it up for those of you like myself with short attention spans. 1/10
In the '90s the False Memory Syndrome Foundation was founded to call attention to the problem of adults suddenly "remembering" child abuse that never actually happened, often under hypnosis. Skeptics like James Randi & Martin Gardner joined their board. 2/10
A new article reveals that the FMSF was founded by parents who had been credibly and PRIVATELY accused of molestation by their now-adult daughter. They publicized the accusation, destroyed the daughter's reputation, and started the foundation. 3/10
The FMSF assumed any accused pedo who joined was innocent, saying "We are a good-looking bunch of people, graying hair, well dressed, healthy, smiling; just about every person who has attended is someone you would surely find interesting and want to count as a friend" 😬 4/10
I was Wrong about False Memories: Satanic Panic, Pedophiles, Ted Bundy, and the Lost in the Mall Studies https://t.co/6XKTfGOqwl
— skepchicks (@skepchicks) January 15, 2021
Since this, bizarrely, turned out to be one of my longest videos ever (??) here's a quick thread to sum it up for those of you like myself with short attention spans. 1/10
In the '90s the False Memory Syndrome Foundation was founded to call attention to the problem of adults suddenly "remembering" child abuse that never actually happened, often under hypnosis. Skeptics like James Randi & Martin Gardner joined their board. 2/10
A new article reveals that the FMSF was founded by parents who had been credibly and PRIVATELY accused of molestation by their now-adult daughter. They publicized the accusation, destroyed the daughter's reputation, and started the foundation. 3/10
The FMSF assumed any accused pedo who joined was innocent, saying "We are a good-looking bunch of people, graying hair, well dressed, healthy, smiling; just about every person who has attended is someone you would surely find interesting and want to count as a friend" 😬 4/10
Hard agree. And if this is useful, let me share something that often gets omitted (not by @kakape).
Variants always emerge, & are not good or bad, but expected. The challenge is figuring out which variants are bad, and that can't be done with sequence alone.
You can't just look at a sequence and say, "Aha! A mutation in spike. This must be more transmissible or can evade antibody neutralization." Sure, we can use computational models to try and predict the functional consequence of a given mutation, but models are often wrong.
The virus acquires mutations randomly every time it replicates. Many mutations don't change the virus at all. Others may change it in a way that have no consequences for human transmission or disease. But you can't tell just looking at sequence alone.
In order to determine the functional impact of a mutation, you need to actually do experiments. You can look at some effects in cell culture, but to address questions relating to transmission or disease, you have to use animal models.
The reason people were concerned initially about B.1.1.7 is because of epidemiological evidence showing that it rapidly became dominant in one area. More rapidly that could be explained unless it had some kind of advantage that allowed it to outcompete other circulating variants.
Variants always emerge, & are not good or bad, but expected. The challenge is figuring out which variants are bad, and that can't be done with sequence alone.
Feels like the next thing we're going to need is a ranking system for how concerning "variants of concern\u201d actually are.
— Kai Kupferschmidt (@kakape) January 15, 2021
A lot of constellations of mutations are concerning, but people are lumping together variants with vastly different levels of evidence that we need to worry.
You can't just look at a sequence and say, "Aha! A mutation in spike. This must be more transmissible or can evade antibody neutralization." Sure, we can use computational models to try and predict the functional consequence of a given mutation, but models are often wrong.
The virus acquires mutations randomly every time it replicates. Many mutations don't change the virus at all. Others may change it in a way that have no consequences for human transmission or disease. But you can't tell just looking at sequence alone.
In order to determine the functional impact of a mutation, you need to actually do experiments. You can look at some effects in cell culture, but to address questions relating to transmission or disease, you have to use animal models.
The reason people were concerned initially about B.1.1.7 is because of epidemiological evidence showing that it rapidly became dominant in one area. More rapidly that could be explained unless it had some kind of advantage that allowed it to outcompete other circulating variants.
