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Mythical creatures unleashed You know I wasn't really in hiding last week. While your favorite TGND was handling the little devils (you'd think she knew better as to pick on someone her own size) I was taking it on with the Big Guns of monster world. They are your biggest nightmares and for thousands of years they have perpetually proven that size does matter. But unfortunately this article won't be like the gargantuan beasts it will feature. The descriptions here are pretty short and we can only hope to spark a bit of keenness in your mind about the subject. If you want to know all about these creatures then I suggest you prepare yourself a flask of strong coffee and read about them for long hours in a resourceful library. So enough gabbing for now and let us proceed with the monsters. Trolls It is said that trolls are the distant cousins of goblins and elves and goblins are actually dwarflike trolls. The classification of trolls depends on where they live. For instance, there are mountain trolls, jungle trolls, sea trolls and so on. Scandinavians believe trolls can be evaded with mistletoes, byre and bonfires. Trolls are also vulnerable to loud sounds and under the sunlight a troll turns into stone. A troll's lunch menu includes humans and goats. These vulgar species show no mercy when they hunt down their preys. Trolls were once greatly feared by the Scandinavians, but now times have changed. And the outdated myths have made way for the new Christian myths like the Incubus. Trolls are now a big part of promoting Scandinavian tourism. They are small and cute wearing bright and colorful costumes. People just love them. Trolls also made it big in recent RPG games and fantasy fictions. But these trolls are much unlike the original ones. Ogres Giants The Yeti or The Abominable Snowman The Sasquatch or Bigfoot I'll end it here this week. Join me next week for the grand finale of the series, when come back with more malicious monsters. Until next time. By Knafice-Man Time and the universe What is the relation between time and our universe? Many scientists have come up with many answers. Some scientists are exclaiming that the universe exists without changing with time. Some are defining that time is flowing due to expansion of the universe. The answers given may be distinctive but they are also mystical. Our understanding of the universe has increased over the past few decades. The subject has been taken as a great challenge by many scientists, and they are working hard to complete their mission. But before we move in to the quest of "describing the time", we need have to had a modest knowledge about the Big Bang (the birth of the universe) Big Bang (It sure was big) About 15 billion years ago, a tremendous explosion started the beginning of our universe. That explosion is defined as the Big Bang. The Big Bang actually consisted of an explosion of space within itself unlike an explosion of a bomb were fragments are thrown outward. The galaxies were not all clumped together, but rather the Big Bang lay the foundations for the universe. However, since the explosion, the universe is expanding, and the expansion is finite. And as the universe expands, a flow (indefinable) is formed. Scientist Thomas Gold described that flow as an arrow, which can be also considered as time. The universe got its own creation of time. In Earth, we describe the time as one revolution of the mother Earth in 24 hours. But when someone would move outside the planet Earth, then flow of time would be different for him. Like Thomas described, time could have a negative value, if the universe contracts. For example when I was writing the article, my cup felt from the table and it broke, but the broken cup never re-assembled itself spontaneously. This is because of the arrow (quantity of time) which is flowing with the expansion of the universe. But if, the universe suddenly starts to contract, then things would change and the arrow of time would be reverse, and the broken cup would be re-assembling themselves. Is Time Travel Possible? According to Einstein's theory of relativity, if an object has to travel from one universe to another universe, it would have to move faster than light at some stage of the journey. And if any object travels at the speed of light, then its mass would be negligible. Then the case would be same as black hole, whose gravity is so strong that light can not move out from it. So there is also a relation between black hole and time travel. Einstein had considered time as fourth dimension though some scientists do not agree with it. But in case of time travel, there must be a way, through which the object would travel, but not in a three dimensional nature, but in the fifth dimensional way, which would directly follow a displacement, from a universe to the other. The time machine now belongs only to the works of science fiction, but scientists are trying to make it a reality. It's sad that I had to skip a lot of information because of the limited space. By Asif Rayhan Rasha |
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