Devil’s Tower

Devil’s Tower, rising 264 metres over low hills and the Belle Fourche River, is one of United State’s distinctive natural landmarks.

The formation of Devil’s Tower is a mystery. Some geologists believe that the tower was created when molten rock pushed into surrounding sedimentary rocks, and then solidified. Others claim that it is the remnant of a volcano’s neck.

According to legend, seven sisters were playing when a big bear chased them. The girls climbed on a rock which grew like a tree, putting the girls safely out of reach. The angry bear jumped up against the sides of the growing tower and left deep claw marks, which may be seen to this day up on the rock walls.

The tower continued to soar towards the sky until the girls were pushed up into the heavens, where they became seven stars. The Red Indians named it ‘Devil’s Tower’.

Published by :- Dr. Prashant

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Desert 🏜 Rose?

The desert rose is neither soft nor fragrant. In fact, it is not a flower at all, but a gypsum crystal. Do you know what gypsum is? It is a mineral used in the manufacture of concrete, sheet-rock, and plaster of Paris. In the desert, gypsum crystals are found in sand dunes.

The grains of sand interfere with the growth of crystals, and the result is that the crystals are formed in the shape of petals.

Desert rose gypsum is found in many locations around the world, and specimens found in different places can look radically different, but all of them are without doubt delicate beauties born of the Earth.

Posted by :- Dr. Prashant

(Medical Practitioner)

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Which Primates Eat Poison?

A primate called the loris eats insects that are poisonous. In fact, if any other animal ate those insects, they would get a heart attack.

Another primate, the golden bamboo Lemur eats shoots of giant bamboo that contain cyanide. Cyanide is a very powerful poison that can kill a man in minutes!

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(Medical Practitioner)

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Lightest Wood of the world.

Balsa trees are native to Brazil. Balsa wood weighs only half as much as cork. The balsa tree, grows quickly, reaching a height of 21 metres in only seven years. Balsa wood was used for building rafts, and making drawing equipments.Balsa is kiln-dried to produce a light-weight and high strength-to-weight ratio wood. Balsa cuts easily with a hobby knife and can be stained or painted to represent and wood type. It is the premier wood for modeling.

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(Medical Practitioner)

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Drum Communication?

Boom! Boom! Boom! Tha-kida… Tha-kida! Don’t you just love the sound of different types of drums? Early Man used drums as a means of communication.

In Africa, New Guinea πŸ‡¬πŸ‡³, and tropical America, people used drum πŸ₯ to send messages to other tribes who were far away. Such drums were often called ‘talking drum’.

They could warn a tribe that a stranger was approaching, or could convey a message from one person to another.

Drum πŸ₯ played an important role, not just in communication, but also in cultural and religious rituals as well.

Posted by :- Dr. Prashant

(Medical Practitioner)

The World’s First Traffic Lights.

The world’s first traffic lights were installed near London’s House of Commons in 1868. J. P. Knight invented them. William Ghiglieri of San Francisco, California, patented perhaps the first automatic traffic signal using coloured red and green lights in 1917. Ghiglieri’s traffic signal had the option of being either manual, or automatic.

In 1920, William Potts, a Detroit Policeman, invented an automatic overhanging electric traffic light system with red, green, and yellow Colours.

Posted by :- Dr. Prashant

(Medical Practitioner)

What are the effects of the seasons on Mars?

The most noticeable feature of Mars are the ice caps at its north and south poles. Since Mars is tilted at about the same angle that Earth is, it has seasons, as we do.

The effect of the seasons can be clearly seen in the growing and shrinking of the polar ice caps. Another seasonal change has long created an impression that there is some form of plant life in low-lying areas. These areas change from blue-green in summer, to brown in winter.

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Posted by :- Dr. Prashant

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Can we some day, live on Venus?

Venus was at one time considered to be a more likely home than Mars for earthlings, but revelations by way of space probes, radar, and radio astronomy are not encouraging in this respect.

The average surface temperature is indicated at a rather very uncomfortable 462 Degree Celsius!

Then, too, there is no water on the surface, the atmosphere is deadly, and the pressure is tremendous.

Posted by :- Dr. Prashant

(Medical Practitioner)

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WORLD’S THINNEST GLASS Discovered.

In 2012, researchers at Cornell University and Germany’s University of Ulm accidentally discovered the world’s thinnest sheet of glass.

They were trying to create Graphene, one of the thinnest and strongest materials in the world. Sheet of Graphene are just one carbon atom thick, with those atoms arranged in a honeycomb lattice.

Using an electron microscope, the researchers inspected some ‘muck’ on the Graphene. To their surprise, they discovered that it was essentially a 2D sheet of common glass, made up of silicone and oxygen atoms. They had created the world’s thinnest glass that was just two atoms thick!

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