The deadliest disease in the world is coronary artery disease (CAD). CAD, also called ischemic heart disease, occurs when the blood vessels that supply blood to the heart become narrowed. The World Health Organization (WHO) estimates that about 7.4 million people died of ischemic heart disease in 2012. That was about 13.2 percent of all deaths.
A wormhole is a theoretical passage through space- time that could create for long journeys across the universe. Wormholes are predicted by theory of general relativity. But be wary: wormholes bring with them the dangers of sudden collapse ,high radiation and dangerous contact with exotic matter.
Wormholes contain two mouths ,with throat connecting the two.The mouths would most likely be spherical. The throat might be straight stretch,but it can also wind around,taking a longer path than a more conventional route might require.
Einstein’s theory of general relativity mathematically predicts the existence of wormholes ,but none have been discovered till date.A negative mass wormhole might be spotted by the way its gravity the light that passes by.
Science fiction is filled with tales of travelling through wormholes. But the reality of such travel is even more complicated,and not just because we have to spot one.The first problem is size.Primordial wormholes are predicted to exist on microscopic levels. However as the universe expands,it is possible that some may have been stretched to larger sizes.
Another problem comes from stability.The predicted Einstein-Rosen wormholes would be useless for travel because they collapse quickly.But more recent research found that a wormhole conataining a “exotic”could stay open and unchanging for longer periods of time.
Exotic matter,which should not be confused with dark matter or antimatter,contains negative energy density and a large negative pressure.Such matter has only been seen in the behavior of certain vacuum states as part of quantum feild theory.
If a wormhole sufficient exotic matter ,whether naturally occurring or artificially added,it could theoretically be used as method of sending information or travelers through space.
Wormhole may not connect two separate regions within the universe,they could also connect two different universe. Similarly, some scientist have conjectured that is one mouth of a wormhole is moved in a specific manner it could allow for time travel.However,British cosmologist Stephen Hawking has argued that such use is not possible.
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