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Everyone knows the beginning of the world. Some of us have the knowledge of its beginning from religion, some from science fiction movies and some from the scientific research. But the question is that how many of us know when and how this world is going to end?
The answer to this question may vary from person to person. There are some religions like Islam and Christianity which has mentioned some signs of the end. When those signs are completely revealed that day would be the last day of humanity in this world. But if we talk scientifically and some other factors which have been created by humanity then we can predict something about the end of this world. Yes, you are right. I am talking about the new threats to human existence which may lead to an end of this world. I may write several articles on this topic so that I can cover up all the dangers to mankind.
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Artificial Intelligence
Artificial intelligence (AI, also machine intelligence, MI) is intelligence demonstrated by machines, in contrast to the natural intelligence (NI) displayed by humans and other animals. In computer science AI research is defined as the study of "intelligent agents": any device that perceives its environment and takes actions that maximize its chance of successfully achieving its goals. Colloquially, the term "artificial intelligence" is applied when a machine mimics "cognitive" functions that humans associate with other human minds, such as "learning" and "problem solving.
Source: Wikipedia
No doubt Artificial Intelligence(AI) is a great thing which could help us a lot in our daily routine work. Our life would become easy and fast. But humanity can face uncertain future when technology learns to think for itself and adapts to its environment. There are self-driving trucks running on the roads and there are many digital assistants which are gaining popularity in the world.
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If the strict controls are not applied to them then soon this AI will spell the end for humans. Nick Bostrom, an adviser to CESR, predicts that machines will attain 90% of human-level intelligence by 2075. If we gave them such an intelligence then there are 90% chances that these machines would turn against mankind and destroy them. Once Stephen Hawking said that:
Once machines reach a critical stage of being able to evolve themselves we cannot predict whether their goals will be the same as ours.
Source: Stephen Hawking
Thus we can say that Artificial Intelligence is a threat to human existence which may cause a great problem in human survival.
Global Climate Change
Global Climate Change is an old discussion which is continued from the past few years but no proper practical solution has been developed. The amount of carbon dioxide is increasing day by day along with the greenhouse effect. More and more gases are being released every year into the atmosphere. The ozone layer is getting thinner and thinner day by day.
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The weather is changing. Rains are becoming unexpected. Glaciers are melting. Sea levels are rising. Small Islands are drowning. Extreme heat in summers and extreme cold in winters making the survival of humans difficult day by day. The cyclones and hurricanes are becoming more and more powerful and disastrous. If the measurements are not taken, then soon the world will see its end due to extreme heat, lack of water and food.
Thus it is very clear that climatic change is a great threat to human existence and the day is coming near and near and making human survival difficult.
Nuclear War
In Nuclear War, Nuclear warfares are used to destroy the enemy. Now, what is nuclear warfare?
Nuclear warfare is a military conflict or political strategy in which nuclear weaponry is used to inflict damage on the enemy. Nuclear weapons are weapons of mass destruction; in contrast to conventional warfare, nuclear warfare can produce destruction in a much shorter time and can have a long-lasting radiological warfare result
Source: Wikipedia
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Nuclear war is possible at any moment in these days. The political situation is very critical in this era between the nuclear powers like America, Russia, China etc. In the past, only two nuclear warfares were used at Hiroshima and Nagasaki. These were the deadliest nuclear attacks by the Americans and many millions of people died in a flash. These nuclear weapons are a threat to mankind and these weapons should be destroyed by every country so that we can have a peaceful home to live.
Killer Robots
Lethal autonomous weapons are a type of autonomous military robot designed to select and attack military targets (people, installations) without intervention by a human operator. LAW are also called lethal autonomous weapon systems (LAWS), lethal autonomous robots (LAR), robotic weapons, or killer robots. LAWs may operate in the air, on land, on water, under water, or in space.
Source: Wikipedia
Fully autonomous weapons also known as Killer Robots are now quickly moving from fiction movies to reality. If the artificial intelligence keeps improving then one day these Killer Robots will be able to make their own decisions and can wipe out mankind from the Earth. Though these Killer Robots are useful in the fight because the soldiers are safe because of them but if we talk about the future then these robots could be very dangerous.
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In short, I should say those that killer robots are a threat to mankind and we must have to take great care while dealing with the artificial intelligence and these killer robots.
Particle Accelerator
Is particle accelerator threat to human existence? The answer to this is yes. But wait, let me first tell you what is particle accelerator?
A particle accelerator is a machine that uses electromagnetic fields to propel charged particles to nearly light speed and to contain them in well-defined beams.
Source: Wikipedia
Particle accelerator was designed to know how the life was started and how the universe was made. This could help to answer these questions but our Earth is at dangers all the time. Some scientists are worried that micro black holes could be created with vacuum which could suck every matter around. This could be so dangerous that it could suck the universe itself
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