Black holes in evaporation

One of the most interesting results related to the black holes is what the scientific Englishman Stephen Hawking knows as an evaporation Hawking, in honor to the one who described it for the first time.

The evaporation Hawking says that, after all, the black holes are not black but gray. Said otherwise, the black holes not only capture all that that happens close to them but also they express energy, light. To understand the process it is necessary to bear in mind an essential fact: the black holes have an extremely small temperature, of the order of ten millionth of grade over the absolute zero. After the laws of the physics have temperature they say that they must express energy at the cost of contained in his interior.

Conclusion: a black hole loses energy of a continuous way. As in our bank accounts, the quantity that it is interesting to us to control is not the one that goes out, but the clear flow, profit less losses. In the black holes the calculation is simple. The universe is to approximately 3 grades over the absolute zero. That means that the entire universe is warmer than the black holes, with what they receive more energy than they express ⎯el energy it flows from the warm body to the cold ⎯. Now then, the average temperature of the universe descends with the time because it is in expansion. This means that there will come one day in which the universe will be colder than the black holes and then they will be able to lose all his energy as a heater does it. Bad and that warms little, but heater to end and to the end.

In a speculative boasting we can calculate the time that must happen so that a black hole disappears completely after throwing all his mass to the space in the shape of energy. One child, with a mass of approximately 3 solar masses, will eliminate after passed the fortune of 10 raised to 66 years, or, a million trillion trillion trillion trillion trillion years. Knowing that the universe goes existing for 15.000 million years, to say that the life of a black hole is 10 to 56 times longer that the current one of the universe is the most nearby example of the immortality. And to say that the removed potency is the billionth one of billionth of watt ⎯para to express so many light as a hundred watts bulb we would need ten thousand trillion black holes ⎯ it is the most next thing to zero in the electricity companies invoice.