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Understanding the basics of blockchain technology
The benefits and challenges of using blockchain
The future of blockchain technology
Speed of the expansion
Imagine you throw a ball up in the sky, but instead of coming down, it slows for 1 sec and then shoots off in space like a rocket. What will be your reaction?
Scientists had the same reaction when they discovered that the expansion of the universe is speeding up very fast.
Because it was thought to be slowing down but it has always been speeding up.
Physics is so astonishing.
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MORE IDEAS ON THIS
Henriatta Leavitt
During the 20th century, scientists would just look at the night sky and imagine How do we know how far a star is and what is its brightness? Because a star which would be very bright wold seem to be very dim if it was very distant from you. Stars pulse too i.e., they blink from ...
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The doors she opened
Hubble measured the distance to a star which was so far, that the science community declared it to be of somewhere out of the Milky Way Galaxy; the andromeda galaxy.Henriatta indirectly hepled discovering a new galxy, and the expansion of the universe. Hubble noticed that the gal...
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Beginning and dark energy
The dots on the balloon move apart, when you blow air in it. What causes the universe to do so or to expand?.
It turns out to be dark energy. Scientists know 1 thing about dark energy that they don't know it. Dark energy is 1 of the biggest mysteries, no o...
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Understanding her discovery
Let us understand this- Suppose stars are light bulbs ok? 100 watt bulb=bright star.
Now, you see a 100 watt bulb in the sky, but you notice that it pulsing very fast i.e., it is going from bight to dim to bright to dim very fast. But according to Henriatta, a 100 watt bulb would pulse slow...
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The end of the universe
If universe has a beginning, it must have an end, right? I mean look at you, you born and you will die. There are 2 ways:
- The heat death- It states that everything will go sooooooooooooooooooo distant that the entropy would be zero and nothing will interact. And all wi...
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CURATED FROM
IDEAS CURATED BY
Dark matter, theory of relativity, dark energy, negative mass, end of the universe, The Big Bang, 'What is beyond the universe?' etc. If you love such things, Welcome to your home.'
Related collections
Other curated ideas on this topic:
Dark Matter Of The Universe
Dark Matter is a bizarre, unknown ingredient of the universe, which scientists cannot observe directly, but takes up 80 percent of the mass of the universe.
It is not seen by the naked eye as it does not emit light or energy. There are entire galaxies (like Dragonfly 44) that are made up e...
The Speed Of Action
We usually want to take action as fast as we can, but with important decisions, we tend to wait and research more so that we can check the options and not make any mistakes.
The preparation time we need is often fear-based because we don’t want to mess up ...
The Meaning of Life
What is the meaning and purpose of life?
- Answer 1: It’s personal. You have to find your own meaning. You have to find it for yourself, so the important part is not the answer, it’s the question. You just have to sit there and dig with the question. It...
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