Did you know there are more living things on and inside your body alone than on the entire Earth? And the world is full of this micro-stuff! You can even see some bacteria with your own eyes. The largest bacterium in the world lives in the coastal waters of Namibia. Its length is 3/4 mm, and it’s larger than, say, a grain of sand or salt!
More than half as small is a dust mite — these pests that bug you at night only grow to be around 1/3 mm. By the way, remember those amoebas from your biology classes? They’re the same size as dust mites. A single strand of human hair is just 1/10 mm thick. So wanna know more about how huge our planet really is? Then let’s look through the super-powerful microscope!
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The Real Size of the Universe (Even a Child Understands) https://www.youtube.com/watch?v=T3T08WOlFk4&
WHAT HAPPENS INSIDE YOUR BODY? || 360 VR https://www.youtube.com/watch?v=kw9EJbezlK4&
The largest bacterium in the world 0:22
Why clay doesn’t let water through it 1:30
Megavirus 😱 2:12
What’s the size of a DNA strand? 3:02
How big is an electron? 4:04
And what about protons and neutrons? 4:26
Strange quarks (Btw, nobody knows if they actually exist) 5:53
Charm quarks 6:34
Top quarks 7:19
The bottom of all creation 💥 8:34
#SubatomicParticle #smallestthings #brightside
– At 10 and 7 micrometers, you’ll find white and red blood cells, respectively.
– Two things that are similar in size and you won’t believe it: a clay particle and an E. coli microbe, and they’re both 2 micrometers in diameter.
– Now, a little further we meet the largest virus. It’s called Megavirus, and it’s just 440 nanometers in size.
– 200 nanometers is the size of another virus called bacteriophage. If you translate its name from Greek, you’ll find out that it feeds on bacteria.
– Pushing harder, we go down to 3 nanometers, which is the width of a DNA strand. Don’t let its width fool you, though: the length of its strands is simply enormous.
– Electrons haven’t been properly measured because they’re just too small for that. Anyway, though, the classical model of measurement says an electron is about 5 femtometers in size.
– Protons and neutrons, the other two main parts of an atom, are 5 times smaller than electrons!
– A quark is a particle that makes up protons and neutrons in an atom’s core. There are six types of them, and they all have different properties.
– A strange quark is about half as small as the up and down quarks, yet it’s 50 times as heavy!
– At 100 zeptometers, we see charm quarks. They’re even more massive than strange ones, but at least their existence is not questioned.
– Next up are bottom quarks with the size of just 30 zeptometers. Not a lot can be said about these tiny guys: they have a negative charge and they quickly transform into other, bigger types of quarks.
– And finally, the sixth type is top quarks. Their size is 100 yoctometers (yet another part per thousand added), and, against all logic, they’re the most massive of all quarks.
– But even that’s not the end of it, and there are particles even smaller than top quarks. One of them is a neutrino, measuring about 1 yoctometer.
– The string theory suggests lots of possibilities, and one of those is that a string is one-dimensional itself, but its vibrations take it to all the other dimensions.
– And the second thing on this level is believed to be quantum foam. It exists according to another theory, and it makes up the whole space-time.
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