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(Isusulat ko rito ang lahat ng bagay na napukaw ng aking atensyon at hindi ko ito mismo isinulat, galing ito sa libro at internet. Lilinawin ko rin kung ito ay aking isinulat o hindi.)

We have no idea: A Guide to the Unknown Universe 

What Is Time?

Magandang araw aking mga ginoo at binibini. Nais kong ibahagi sa inyoa ng aking nalaman tungkol sa librong ito. What is time?

Maraming mga salita ang maaaring makakasagot sa tanong na ano nga ba ang oras. Ang oras ay ang nagsasabi kung ano ang nangyayari ngayon. Maaaring masukat ang oras sa isang orasan o relos. Huwag mong sayangin ang oras na mayroon ka upang gumawa ng mga bagay na kailangan mong gawin. Time is gold. Iilan sa mga pangungusap kung ano ang oras. Ngayon nais kong ibahagi sa inyo ang aking natutunan.

Time is the fourth dimension. "According to Einstein, you need to describe where you are not only in three-dimensional space — length, width, and height — but also in time. Time is the fourth dimension. So to know where you are, you must know what time it is."

How is time different from Space?  Time is different in space. The closer the clock is to the source of gravitation, the slower time passes; the farther away the clock is from gravity, the faster time will pass.

Can we travel back in time? Many in the scientific community believe that backward time travel is highly unlikely. 

Why does time move forward? It's all about entropy. Though in microscopic physics, time is treated as directionally neutral--it doesn't matter which direction it's going--the Second Law of Thermodynamics explains why time moves forward only in our visible world.

Will time ever stop? The universe will get smaller and smaller, galaxies will collide with each other, and all the matter in the universe will be scrunched up together. When the universe will once again be squeezed into an infinitely small space, time will end.

Things that I wanted to know:

1. Theory of Relativity

2. Law of Thermodynamics

Things I learned:

1. Time moves forward.

2. You can't travel back in time.

3. Universe follows logical rules.

4. Time is the fourth dimension of space-time.

Note: Maghintay sa susunod na parte nito:)

Isang Pahina ng NakaraanTahanan ng mga kuwento. Tumuklas ngayon