The Action Lab
The Action Lab (TAL) or Action Labs is a YouTube channel about interesting science experiments. The host is technically a glober but is not active in the flat earth debate. The channel can be found here.
Background
The Action Lab channel started in 2016 and has shown many different scientific tests and experiments. TAL videos usually involve something interesting, exciting, or something completely unexpected and can be a good resource to demonstrate scientific principles. Unfortunately some of his videos have been misrepresented by many flat earthers.
Rockets working in a vacuum video
Many flat earthers have used his rocket video as scientific evidence that rockets won't work in space. Gas Pressure and Levi Miller most notably, but there have been many others. The video is called Rocket Launch In a Giant Vacuum Chamber. (Warning: there is a 2 minute ad read during the video).
Experiment setup for the rocket
The host purchased a large vacuum chamber for the rocket video and other experiments. The chamber looks about 2' x 2' x 3' and the host was able to easily squeeze himself inside and close the lid.
The first thing he decided was to use flash paper as a "fuel" because the chemical makeup of the paper includes oxygen molecules and doesn't require oxygen to burn. Also the paper didn't create too much excess gas in the large chamber and he wanted the chamber to remain a vacuum.
To ignite the paper fuel he decided to use a laser because it could ignite the paper through the glass. When he tested whether the paper could ignite he noticed the pressure of the chamber didn't change despite the paper igniting and the reaction creating some gas.
For the "rocket" he decided to use a syringe because they are transparent and the laser could go through the side of it. He had 2 syringes to test, one large and one small. The syringes would be held on a string so they would not touch any sides.
When he ran the experiment the video showed a single syringe hanging from a string in the middle of the glass chamber; the flash paper was already in the syringe. After the air is removed he ignited the paper with the laser. The result was the "rocket" moved violently and slammed the side of the vacuum chamber. The force was strong enough to damage the rocket syringe.
When he ran the experiment again he used the larger syringe. Again the video showed it was hanging from a string in the middle of the chamber. After the air was removed he ignited the paper and again the "rocket" moved in the vacuum. A slow motion review of the video showed some type of smoke particles exit the syringe before it moved. The host explains how not only do rockets work in a vacuum, they work better in a vacuum.
Misrepresented results for the rocket
Many flerfs have deconstructed this video and claim it is evidence that rockets will not work in space. Flerfs have slowed the video down and shown that the syringe doesn't move until the gas has hit the side wall of the container. They mistakenly believe that the syringe would not have moved if the wall wasn't there because "rockets need something to push off of".
In the video however, the syringe doesn't move the instant the gas hits the side wall, it's several frames after that, thus disproving their claims and another example of the 1st Laws of Flerf.
Quantum Locking video
Katie Did is flat earther who has watched a video about quantum locking which she thinks is a plausible way of how satellites could work over a flat earth. TAL has a video about this called Quantum Locking Will Blow Your Mind—How Does it Work?
Experiment Setup for quantum locking
The host has a type II superconductor made of YCBO (Yttrium barium copper oxide) which is in a shape of a "puck". First he cools the puck down using liquid nitrogen to make it ready to test with magnets. He sets the puck on a table, then places a magnet on top. The magnet hovers a quarter inch above the puck, not touching it. When he touches the magnet it stays in the same place hovering. The host can move the magnet and it brings the puck along, as if they are locked together but not touching.
Next in the video the host reverses positions of the objects and now has a few smaller magnets on the table and the frozen puck on top. The puck now hovers above the magnets; even when pushed downwards the puck will stay in its hovering position.
Another test has a ring of magnets in a disc structure. The structure is flat, about the size of a bicycle tire, and appears to be clear plastic. The magnets are aligned to create a symmetric magnetic field in a specific direction. The host places the frozen puck on top of the disc and it levitates above the structure. When he pushes the puck it smoothly rotates around the ring of magnets maintaining its hovering height.
For the next test the host turns the magnet disc upside down. Then he puts the frozen puck underneath. It levitates below as a force is pulling it up. Again he pushes it and the magnet smoothly rotates underneath the disc. The host then went on to explain the science behind super conductors and quantum locking.
Misrepresented Results for quantum locking
Just because the host was able to levitate a frozen puck in no way means that it is scalable. Despite this Katie believes that just using earth's magnetic field it's somehow plausible to have super cooled satellites rotating miles above a flat earth. There are multiple problems with her hypothesis, keeping the satellite cooled at the same temperature over time and the weakness of the earths magnetic field are the most obvious. StingRay and Kayvon have challenged Katie over this but she remains convinced.