An observable universe is a big place that’s been around for more than 13 billion years. Up to two trillion galaxies made up of something like 20,000 billion billion stars surround our home galaxy. In the Milky Way alone, scientists assume there are some 40 billion earth-like planets in the habitable zone of their stars. … Read more The Kardashev Scale – What Do Alien Civilizations Look Like?
Human history is told by the energy we use. At first we had to use our muscles, then we learned to control fire. We industrialized the world using coal and oil and entered the Atomic Age when we learned how to split a nucleus. At each step, we increased our energy harvest to a scale … Read more The Ultimate Megastructure – How to Build a Dyson Sphere
Аhhh, casually watching a video on YouTube on a computer more powerful than anything humanity could build a few decades ago. Тhis progress and all the wonderful machines you take for granted are built on a few rare and precious materials with names like Terbium, Nneodymium or Tantalum. Getting these rare materials from the ground … Read more Asteroid Mining – How to get unlimited resources from Space