In the 1960s, Ampex developed 16 and 24 track 2" wide tape recorders that revolutionized the recording industry. They go back to those recordings to do the remaster.

Studio recordings are usually multi-tracks that are combined into a single stereo mix. The producers and audio technicians did their best to create a master that would give the best result, which prior to about 1980 was vinyl records. Remastering means you go back to the original recordings and create a new master that is created to sound great on modern media and equipment. They might also clean up noise, and make other corrections like dynamic range and equalization.

Yep, that sounds like what is going on. If the outside piece touches the material it would take part of the load and the scale would read less weight.

You are correct. Your brother's mistake is that he thinks cold is somehow stored up, and that freezing it longer adds to the amount of cold in the meat.

But once the temperature reaches equilibrium with the freezer, it is the same whether it's in for a day or a week or a year.

Coldness is a subjective quality for something that has less heat than something else. There is no cold substance.

An implosion is the opposite of an explosion in that the object collapses inward instead of outward. An implosion is caused by a lower pressure on the inside of the object or structure, and outside pressure causes it to collapse.

Fresh fish can have parasites that are dangerous. Sushi grade fish has been frozen to -4 degrees for 7 days which kills any parasites.