The most unpredictable interconnected things

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Dogs and Velcro

Morning walks with his dog pushed for the invention of such a convenient thing as George De Mestral’s velcro fasteners. Spikes were constantly “sticking” to the dog’s coat. It was their man who decided to examine under a microscope in order to understand how this observation can be developed into a productive idea. Soon, a similar principle began to be used in the textile industry.

12 Kinds of Secret Weapons of China

The scale of China in terms of population and the area of ​​their territory has not surprised anyone for a long time. The Chinese are a very developed and hardworking people. No wonder they say: "If you do something well, then there will always be one Chinese who will do it even better." This also applies to military equipment and weapons, the development of which Chinese engineers keep secret, but not to say so in a very strict manner. That is why today we offer you to get acquainted with 12 types of secret and most powerful weapons and equipment invented by the Chinese.

The Actual Sizes of Some Things: 20 Examples With a Comparison!

The truth is, everything in this world is known in comparison! Human vision is an amazing thing, but alas, it is not always possible to trust it. Sometimes, in order to understand the real size of certain things, sometimes familiar to us, things, they just need to be placed next to those whose real sizes we know for sure. You will be surprised how big or small some objects, phenomena or creatures actually are, the real size of which we could not have guessed.

20 Little-known Facts About World War II

World War II began on September 1, 1939 with the Nazi German attack on Poland. Subsequently, 61 states took part in this war (this is 80% of the entire globe). The great war claimed the lives of more than 70 million people and became one of the most devastating conflicts in the history of mankind. We prepared the 20 most interesting and little-known facts about the World War II for today's selection.

The 7 Worst Epidemics in Human History

The new year 2020 began with the advent of a new virus in the Chinese city of Wuhan. To date, coronavirus has claimed about 100 lives and continues to test people for strength. The history of mankind has repeatedly known extremely dangerous viruses and epidemics, which claimed millions of lives, wreaking havoc on the trail of panic and chaos. But even the worst of all infections, people managed to win and live on ... exactly until the next outbreak of some mutated flu.