18 Most Amazing Facts about Science and Technology | Facts Season 1 EP-6 | Sidtalk Facts

Most amazing and Unbelievable facts about science and technology. Amazing facts about science and technology. Topmost 18 amazing facts. Do you know about those facts? Must known facts!

Science and Technology facts in 2020

1:- Female black widow spiders eat their males after mating.

Female black widow spiders eat their males after mating
Female black widow spiders eat their males after mating
In many spider species, females Spider eat the male's spider after sex. Studies have suggested various complex evolutionary reasons involving costs and benefits to the species, sperm competition, and esoteric sexual selection schemes.

2:-The fastest speed a falling raindrop can hit you is 20mph.

Rain speed
Rain speed
Raindrops are larger. A large raindrop, about one-quarter of an inch across or about the size of a housefly, has terminal fall speeds of about 10 meters per second or about 20 mph. That kind of speed can cause compaction and erosion of the soil by their force of impact. Raindrops are of different sizes, and the smaller raindrops are traveling about 2 mph

3:-Alfred Nobel invented dynamite in 1866.

Dynamite explosion
Dynamite is an explosive made of nitroglycerin, sorbents (such as powdered shells or clay) and stabilizers. It was invented by the Swedish chemist and engineer Alfred Nobel in Geesthacht and patented in 1867. It rapidly gained wide-scale use as a more powerful alternative to black powder.

4:-There are 60,000 miles of blood vessels in the human body.

Human blood vessel
The circulatory system is extremely long. If you were to lay out all of the arteries, capillaries, and veins in one adult, end-to-end, they would stretch about 60,000 miles (100,000 kilometers)

5:-More germs are transferred shaking hands than kissing.

An investigation in the Netherlands found that a ten-second intimate kiss transfers around 80 million bacteria. A Welsh investigation found that handshakes transfer around 124 million
bacteria and suggest fist bumps may be a safer alternative for germophobes.

6:-The world’s smallest winged insect
World smallest insect
The Tanzanian parasitic wasp is smaller than the eye of a housefly. The Tanzanian Parasitic Wasp is the smallest known insect,  smaller than the eye of a common housefly. Parasitic wasps lay their eggs in the bodies of host insects. The hatching larva is born to a free live buffet.

7:-The largest desert in the world

Sahara desert
The Sahara is 3,500,000 square miles. The rest of Earth's deserts are outside of the polar areas. The largest is the Sahara Desert, a subtropical desert in northern Africa. It covers a surface area of about 3.5 million square miles.

8:-  Sperm production in male

Sperm production
Males produce one thousand sperm cells each second – 86 million each day. During spermatogenesis, your testicles make several million sperm per day about 1,500 per second. By the end of a full sperm production cycle,z you can regenerate up to 8 billion sperm. This may seem like overkill, but you release anywhere from 20 to 300 million sperm cells in a single milliliter of semen. Sep 19, 2018

9:- Each rubber molecule is made of 65,000 individual atoms.

Rubber molecule

Amazing facts about science and technology. 

10:- Sunlight to the earth's surface.
Sunlight to surface to earth
It takes nearly 8 minutes 17 seconds for the light to travel from the Sun’s surface to the Earth. But takes 1 million years to travel from Sun’s core to its surface.
This means that the light we get at this very moment was actually originated a million years ago. 

11:- where is the j name element?

The letter "J" is the only one not found on the periodic table. In some countries (e.g., Norway, Poland, Sweden, Serbia, Croatia), the element iodine is known by the name Jon. However, the periodic table still uses the IUPAC symbol I for the element. 

12:- Helium when cooled to absolute zero degrees it becomes an anti-gravity liquid

Helium when cooled
Liquid helium-4 itself becomes a superfluid when cooled to within a few degrees of absolute zero on the Kelvin scale (minus 273 Celsius or minus 460 Fahrenheit), and the resulting lack of viscosity allows it to seem to defy gravity, flowing up and over the sides of a container. The gas helium known for blowing up balloons has the most interesting property when it is cooled and converted to liquid form. Helium as a liquid will have zero viscosity without loss of kinetic energy giving it the power to oppose gravity and flow upwards from a vessel.

13:- The average weight of a cloud is equal to that of 80 elephants.

Cloud weight
Cumulus clouds are puffy clouds that often appear in clusters. A typical cumulus cloud weighs about 1.1 million pounds – roughly the equivalent of 80 to 100 elephants or 2500 donkeys.
The volume of a cloud is higher than the weight of the same. This makes the gases fly. But it is certainly not that light and fluffy as it seems.

14:-Superconductors conduct electricity with zero resistance.

Superconductors are materials that conduct electricity with no resistance. This means that, unlike the more familiar conductors such as copper or steel, a superconductor can carry a current indefinitely without losing any energy.
Some special elements For example diamond will act as a superconductor at a very low temperature. This has several applications like levitating objects, lossless machines and such.


Earth information
The circumference of the earth is about 25,000 miles. Its surface area is about 200,000,000 square miles and it weighs 6,588,000,000,000,000,000,000 tons.

16:-  The Internet is the fastest-growing communications tool ever.

The Internet now a day
It took radio broadcasters 38 years to reach an audience of 50 million, television 13 years, and the Internet for just 4 years. Optical fiber communications were initially developed for the voice phone system. The feverish level of activity that we have experienced since the late 1990s, though, was caused primarily by the rapidly rising demand for Internet connectivity. The Internet has been growing at unprecedented rates.

 17: -A diamond will not dissolve in acid

Diamond will not dissolve in acid
The only thing that can destroy it is intense heat. A diamond will not dissolve in acid. The only thing that can destroy it is intense heat. According to Moore's Law, microchips double in power every 18 to 24 months.

18:- Some metals are so reactive that they explode on contact with water.

Water reaction with the metal
There are certain metals including potassium, sodium, lithium, rubidium, and cesium - that are so reactive that they oxidize (or tarnish) instantly when exposed to air. They can even produce explosions when dropped in water! All elements strive to be chemically stable -in other words, to have a full outer electron shell. The alkali metals have only one electron on their outer shell, making them ultra-keen to pass on these unwanted passengers to another element via bonding. As a result, they form compounds with other elements so readily that they don't exist independently in nature.

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