Infrared Laser Technology Could Technically Attract Aliens, but Probably Won't

If extraterrestrial life exists in our neck of the Milky Way, how would we make our presence known to one another? Could we just shoot a massive, unmistakable signal out into space?As it turns out, this wild sounding idea could actually be carried out with current and developing technologies. A new MIT study found that by shining a powerful laser through a gigantic telescope, humans could produce a beam of infrared radiation detectable from 20,000 light-years away. The research, which th