WZ Laser hide us from the aliens – Interia

Regardless of whether intelligent extraterrestrial civilizations exist or not, we should prepare for that eventuality. The new idea of ​​scientists, even though it sounds unusual, it may be very useful – it’s about the use of lasers.

already laser with a power of 30 MW will hide us from the aliens

/ press materials

Recent studies may eliminate false positive reading signals of extraterrestrial life on other planets. It appears that the presence of oxygen in the atmosphere exoplanets does not guarantee the presence of life. read more
                     

It’s not just about the invasion of our planet, but also to bring different cosmic diseases with which we will not be able to cope. As an analogy, researchers cite the arrival of Europeans to the Americas in the fifteenth and sixteenth centuries., Which had a negative impact on the health of indigenous peoples.

David Kipping and Alex Teachey at Columbia University in New York believe that we should hide our presence from aliens. They have to help lasers masking the presence of the Earth in the solar system. All this would aliens do not know our address.

If intelligent civilizations out there somewhere, you can safely assume that – like us – can search for other worlds using the transit celestial phenomenon. When an object message partly a star, it can be detected by analyzing the slight weakening of the brightness of the star. In this way, they discovered more than 1,000 exoplanets.

Kipping and Teachey calculated that the laser power of 30 MW running for approx. 10 hours per year would be enough to cover up the presence of the Earth during the transit of the Sun.

– It does not have to be a big laser. It may be an array disposed around the Earth or to one of the items of equipment satellites. We calculated that the International Space Station collects exactly the amount of energy that would hide our presence during the transit of the Sun – said prof. Kipping.

This applies only to laser operating in the visible light. The device includes all wavelengths would have the combined power of 250 MW. A good alternative may be the use of a laser, which will hide only specific aspects on Earth, eg. The atmosphere of cheating that there is life here.

The idea is interesting, but be aware that it can also work the other way. Aliens also may not want to, we found them and mask its presence on distant planets in a similar manner.