Did you know?

Hope you will like the facts:

  1. The most slippery substance in the world – polytetrafluoroethene (PTFE, or Teflon) – was discovered accidentally.

  2. If an atom were the size of a stadium, its electrons would be as small as bees.

  3. Atom is over 99.9% empty space.

  4. The effect of Relativity made Astronaut Sergei Avdeyev a fraction of a second younger upon his return to Earth after 747 days in space.

  5. The mass of our entire atmosphere is estimated to be some 5.5 quadrillion tons.

  6. The lightning bolt is 3 times hotter than the Sun.

  7. The diameter of a proton is approximately 0.000000000001 mm (1/25,000,000,000,000 in).

Note by Aman Baser
5 years ago

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  Easy Math Editor

This discussion board is a place to discuss our Daily Challenges and the math and science related to those challenges. Explanations are more than just a solution — they should explain the steps and thinking strategies that you used to obtain the solution. Comments should further the discussion of math and science.

When posting on Brilliant:

  • Use the emojis to react to an explanation, whether you're congratulating a job well done , or just really confused .
  • Ask specific questions about the challenge or the steps in somebody's explanation. Well-posed questions can add a lot to the discussion, but posting "I don't understand!" doesn't help anyone.
  • Try to contribute something new to the discussion, whether it is an extension, generalization or other idea related to the challenge.
  • Stay on topic — we're all here to learn more about math and science, not to hear about your favorite get-rich-quick scheme or current world events.

MarkdownAppears as
*italics* or _italics_ italics
**bold** or __bold__ bold

- bulleted
- list

  • bulleted
  • list

1. numbered
2. list

  1. numbered
  2. list
Note: you must add a full line of space before and after lists for them to show up correctly
paragraph 1

paragraph 2

paragraph 1

paragraph 2

[example link](https://brilliant.org)example link
> This is a quote
This is a quote
    # I indented these lines
    # 4 spaces, and now they show
    # up as a code block.

    print "hello world"
# I indented these lines
# 4 spaces, and now they show
# up as a code block.

print "hello world"
MathAppears as
Remember to wrap math in \( ... \) or \[ ... \] to ensure proper formatting.
2 \times 3 2×3 2 \times 3
2^{34} 234 2^{34}
a_{i-1} ai1 a_{i-1}
\frac{2}{3} 23 \frac{2}{3}
\sqrt{2} 2 \sqrt{2}
\sum_{i=1}^3 i=13 \sum_{i=1}^3
\sin \theta sinθ \sin \theta
\boxed{123} 123 \boxed{123}

Comments

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@aman baser These are really interesting facts.

Anuj Shikarkhane - 5 years ago

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thanks

Aman Baser - 5 years ago

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see it see it

U Z - 5 years ago

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That doesn't warrant you not knowing facts :3 -_-

Krishna Ar - 5 years ago

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But some facts must be known

John Watson - 5 years ago

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Just wanted to share this , i could'nt found a better place sorry. Please click this

U Z - 5 years ago

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I am having problem solving the numericals of electrostatics.What should I do?

Akshay Kumar - 5 years ago

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