How does an x-ray work?

What is X-Ray? An X-ray device is basically a camera. But unlike an ordinary camera where visible light exposes the film, an X-ray uses x-rays instead. X-rays are like visible light waves  like visible lig...
Weather and climate have totally different meanings. So what is the difference?

What’s the difference between Weather and Climate?

Weather is the specific day-to-day conditions of the atmosphere at a particular place and time. It describes the state of the atmosphere with regard to meteorological conditions (variables) such as; wind (s...

Who found the first dinosaur fossil?

When was the first fossil of a dinosaur found and who found it? It is not known exactly when the first dinosaur fossil was found by humans. >> 5 things you did not know about dinosaurs! << ...
Velociraptors size was equal to a turkey

5 Dinosaur Facts You Haven’t Heard Before

5 surprising facts about dinosaurs Our perception of dinosaurs is largely colored by movies like Jurassic Park and the small plastic toys we played as children. But did you know that T-Rex was actually bearing...

Why do we have seasons?

Why do we have different seasons on the northern and southern hemisphere, and what is the explanation for why we have seasons? Distance to the Sun does not determine seasons. Seasons change is connected with ...

Why do we get under eye bags?

Older people often have bags under their eyes. Also young people can get them if they have slept badly. What is the reason for under eye bags? If you are tired, for example after a really bad night's sleep, ...

Where does the question mark originate from?

The question mark is known by everyone, but who has actually invented question mark? The Middle Ages scholars, who often were monks, favored marking a question in writing with a q, which stood for the first ...

Women inventors : Were they rare or ignored?

What was invented by women? You have rarely heard about female inventors. Could it really awake public interest? If they were given fair approaches by the laws and the public itself, YESSS! ...
newton telescope is the main reason for the stars look like small crosses in photos.

Why do stars look like small crosses on photographs?

Stars should look like little dots on a star photograph, but often appear as a small luminous cross with four brilliant arms perpendicular to each other. There is a good explanation for it and it drives the ast...

P20 Pro: Better than iPhone X and Galaxy S9?

Huawei proudly presents Huawei P20 Pro Huawei has jumped into the champions-league with Huawei P20 Pro. Huawei P20 Pro is now being compared with iPhone X and Samsung Galaxy S9 with its spectacular design, cam...