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Samuel Lourenço
Veritasium
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Comments by "Samuel Lourenço" (@samuellourenco1050) on "Veritasium" channel.
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Obsolescence is bad. It leads to wasted resources, having to ask forgiveness to them, more and bigger landfills. It is a stupid concept that leads to consumerism. For instance, a smartphone that is made to last two years is too wasteful and stupid.
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Most LED bulbs will last 2 years. Some not even that. I had one from Phillips just burning out after three months. Manufacturers overdrive the LEDs, making them significantly less efficient, and essentially toasting them. LED is a technology that could last a lifetime, but manufacturers often overdrive the LEDs and use cheap components.
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Yup, the search algorithm is to blame.
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This toy can throw you in jail. How about that?
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Jellyfish stingers work on the same principle, although they are microscopic and practically ultrasonic. They can pierce through anything.
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The orientation of the blades of the propeller pretty much says how it is operating, that is, like a fan. If it operated like a windmill, it would rotate in the opposite direction. The car probably operates like a sail, collecting the initial wind force just to get it moving. The fan does the rest.
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Clickbait doesn't work for me. The more clickbait in the title, the sooner I'll cease to see the video. Some videos are such a disappointment that I stop viewing them after 5-10s.
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@MrMessiah2013 Except that Superfest glass was really a thing. You should research before trying to pass a fact as a myth.
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Yet turbulent flow is actually more inefficient, in the sense that you spend much more energy to move the same amount of mass in the same amount of time.
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