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Energy - An Enigma 

ScienceOnline
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Energy is a complex concept. Richard Feynman went so far as to say "It is important to realize that in physics today, we have no knowledge what energy is." This video explores the topic of energy.

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17 янв 2016

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Комментарии : 23   
@EugeneKhutoryansky
@EugeneKhutoryansky 8 лет назад
At 6:44, when the pendulum is at the bottom of the swing, the arrow for the velocity should be horizontal. But, nice discussion.
@ScienceOnline
@ScienceOnline 8 лет назад
+Physics Videos by Eugene Khutoryansky Yes, a horizontal arrow representing the velocity at that point would have been superior to an arrow representing trajectory.
@ahmarsaeed6085
@ahmarsaeed6085 8 лет назад
Energy is something that has often baffled me. We really don't know what energy per se exactly is. But maybe that enters the realm of philosophy!
@mrm9858
@mrm9858 8 лет назад
I'm Not a scientist but I just enjoy the way everything is explained
@BobPrivacy
@BobPrivacy 8 лет назад
If we talk about energy: Think about how much energy a human need. Solar energy -> plants -> animals -> process -> shipping -> cooking -> eating It is incredibly how much energy is needed for one steak or in a slice of bread if you observe the whole process.
@AbuSayed-er9vs
@AbuSayed-er9vs 7 лет назад
Great video man with such simplicity!!!!
@StigBSivertsen
@StigBSivertsen 8 лет назад
Amazing video! I'm not a scientist and have never thought of energy this way. In my simplified world, energy=movement and movement=energy because everything moves, even when if we can't see it. But why we have movement I don't know.
@Andrecivicc
@Andrecivicc 3 года назад
Wow, that's so interesting, thanks for the knowledge shared.
@chadderalleh8107
@chadderalleh8107 8 лет назад
man, your videos are amazing. I think they are some of the best videos on youtube. You should have way more subs and views than you do. Its just sad that all most people want to see is fat people falling and cats.
@paranjoykb
@paranjoykb 8 лет назад
+chadderall eh Totally agreed.
@patlevv7382
@patlevv7382 2 года назад
UNDERRATED
@Polarcupcheck
@Polarcupcheck 4 года назад
The more I see videos from the past and people who were taught on them, the more I feel our education system is just superficially rushing through information for the sake of testing.
@bogywankenobi3959
@bogywankenobi3959 6 лет назад
I've always thought of energy as a property of matter, not a thing unto itself.
@GiesbertNijhuis
@GiesbertNijhuis 8 лет назад
And what is distance? One of many basic things that I don't understand. Pleasant video. Thanks for making it.
@ScienceOnline
@ScienceOnline 8 лет назад
+Giesbert Nijhuis You have some excellent projects at your site. The speaker generator is brilliant - wish I had thought of that!
@gokharol
@gokharol 8 лет назад
Distance is always mesured relative to some reference point, it is the measurement of a straight line connecting the object of interest to the reference location.
@gokharol
@gokharol 8 лет назад
Sir, this video is magnific. I'm so glad this is available for such a large group of people in the world, through the internet! Thank you,sir.
@SeanMauer
@SeanMauer 8 лет назад
Asking, What is Energy? is like asking, What is Existence?, or Why is there Something rather than Nothing? The universe as we experience it is dimensionally separated from the mechanics that would give more understanding to these questions. This is why you can't replace God with science.
@elijahdavis5119
@elijahdavis5119 8 месяцев назад
i really like this (im black btw)
@kingkirby8960
@kingkirby8960 8 лет назад
I love corn flakes :)
@jameshines9253
@jameshines9253 3 года назад
You put energy into the pendulum, the moving pendulum puts heat energy into the air molecules, then the energy is dissipated/ destroyed! Yes I said it! It's destroyed just except it get over it and move on with your life. Or maybe it goes back to the sun 🌞 like the circle of life!lol 😆
@patlevv7382
@patlevv7382 2 года назад
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