quantum fluctuations. gravity. structure in universe.

how stucture in the universe rises from the random nature of quantum fluctuations.

video below is very informative presentation, compact one — in just eight minutes is given current understanding of how stucture is rising from quantum fluctuations. but! listen to every word and all the sentences in the presentation carefully — don’t miss it that some parameters were put in by hand (in other words: made up), simply because we don’t know the correct values. i mean not in the beginning of the talk — about the ripples in the early universe — which he explains later where they came from, but in the end of the talk — the overall height of the ripples and “few other parameters”, like the amount of dark matter. it produced a theoretical graph, matching the graph to the actual measurements, resulting in “rather extraordinary fit”..

..wait a second.. hmm.. really?! i think it should be no surprise then.

anyway, regardless of some unknown precision, it’s a good presentation clarifying our current understanding, and the gaps in our understanding, how stucture in the universe rises from the random nature of quantum fluctuations..

read my article about randomness..

YouthExtension vimeo channel updated.

There are some added videos on vimeo.com/youthextension ..on the topic of health — in English, French and Russian. I have only selected videos which are hard to find and/or in danger of being lost from public knowledge, thus in other languages which I also speak well (Spanish, Italian) there’s nothing to add currently — in other languages the videos of great value are mostly translations from English, French or Russian. All videos posted on YE vimeo channel are possible to download — usually there are three options to choose the video quality. That’s a better way – downloading first – than sometimes troublesome watching online. Use the opportunity today, because who knows about tomorrow.


A note: the YE youtube channel has no videos yet because I keep it for the time then I’ll be recording my own lectures, when there’s the right time for it.

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