# FACTOPEDIA

The main purpose of this note is to get numerous interesting facts related to any topic. I am listing some interesting facts, hope you like them:

1. A dry square paper of normal size cannot be folded more than 7 times in half. Try it

2. Mexico once had three presidents in a day.

3. Bill Gates, one of the richest men of the world was the son of a woodcutter.

4. Earth's polarity will change in the year 7014 AD.

5. On Mars the Sun appears about half the size as it does on Earth.

6. Normal matter composed of atoms constitute only 5% of the universe total mass. The rest is made up by dark matter and dark energy.

You can also share some mind boggling facts but make sure they are genuine and true.

Note by Dinesh Nath Goswami
5 years, 11 months ago

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. numbered2. 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 1paragraph 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 $2 \times 3$
2^{34} $2^{34}$
a_{i-1} $a_{i-1}$
\frac{2}{3} $\frac{2}{3}$
\sqrt{2} $\sqrt{2}$
\sum_{i=1}^3 $\sum_{i=1}^3$
\sin \theta $\sin \theta$
\boxed{123} $\boxed{123}$

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@dinesh nath goswami These are really interesting facts!

- 5 years, 11 months ago

thanks@Anuj Shikarkhane

- 5 years, 11 months ago

Wow, I was not aware of number 2.

The first statement is not true. You just need a really large piece of paper, to account for physically making the fold. See this for more details.

Staff - 5 years, 10 months ago

oh! i got it. thanks...

- 5 years, 10 months ago

These facts are nice!!

- 5 years, 9 months ago

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- 1 year, 4 months ago

- 1 year, 4 months ago

- 1 year, 4 months ago

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