As you know, we humans have made machines like computers that are so much powerful than anything humanity could build decades ago. These machines we use are actually built with Terbium, Neodymium, or Tantalum....
A large asteroid known as 16 psyche is about 230,000 meters across and is 90% metal. According to Forbes Magazine, the value of the asteroid is 75,000 times that of our global economy.