Rubik's Cube

Rubik's Cube is a 3-D mechanical puzzle. There are many variations of rubik's cube. It's 2x2 cube, 3x3 cube (standard cube), 4x4 cube, 5x5 cube, 6x6 cube, 7x7 cube, etc (the biggest cube have made is 17x17 cube). It is not only that, there are cube that have different geometric shapes, some of them are tetrahedron (Pyraminx), octahedron (Skewb Diamond), dodecahedron (megaminx), and square one.

Standard cube, 3x3 rubik's cube is the most popular cube. It has 6 sides, each of 6 sides has 9 stickers. The part of a 3x3 cube are 6 centers, 12 edges, 8 corners, and a core. Center pieces is part that has 1 colour, and it is axis to rotate each side of cube. Edge pieces is part that has 2 colour, and it limit for one side to the other side. Corner pieces is part that has 3 colour. And a core is part that has function to unite all centers, edges, and corners.

There are several method to solve 3x3 cube. But, popular method is CFOP. The holder world record of 3x3 rubik's cube is Felix Zemdegs. He just need 5.66 s to solve a 3x3 rubik's cube!!!

WELCOMING SPEECH

Hello friends,
Good morning, Good afternoon, Good evening. I am Abdurrachman. I was born on 23rd October 1995. So, I am 15 years old. I have some hobbies. I like playing football, solving rubik's cube , etc. I can enjoy when I do my hobbies. I have good friends in my school. My school is Seinor High School Number 1. And now, I am eleventh grade (XI Science 1).

I make this blog because I want to share what I know to you. One of them is knowledge. Especally, knowledge of english. Yeah, I am not very fluent in english, but I just try to share my knowledge of english. And I am sorry if I make mistakes.

What are our purpose study english? For example, You want to spend your holiday in European, precisely in England. If you cannot speak english, you cannot do anything well there. You cannot communicate with people there, you will be a fool.

It's not only that, english is international languange. Many country use english. So, we must can speak english well.

In this blog, I'm not only share knowledge, but I persuade you to imagine. To study english we are not only need knowledge, but we need imagination. So, we can get best result.

Like as Albert Einstein's quotes. "The tru sign intelligence is not knowledge but imagination".