The Curious

                          Hypothetical Civilization  Civilization on Earth, as we know it, is thousands of years old. Earth has faced tremendous changes over that time. The existence of the human species accounts for only 0.005% of the universe's 13.7-billion-year age. We have gone from hunting and gathering in the woods of Africa to colonizing the entire planet, a journey that is just a blink of an eye compared to the age of the universe. Humans have done outstanding work in technology over the last 200 years, but can we count ourselves as the only advanced species in this universe? What if we meet an alien species whose technology is more advanced than ours? So where are they? Do they exist, and if so, how can we find them? In 1964, Russian astrophysicist Nikolai Kardashev introduced a hypothetical scale used to measure the advancement of extraterrestrial civilizations based on the amount of energy they consum...