NATO Declares Outer Space an ‘Operational Domain’
FCC Orders Phone Companies to End Robocalls
Negative Interest Rates Will Not Fix the Global Economy
The US Is Worried About Its Critical Minerals Supply Chains
When U.S. companies build military weapons systems, electric vehicle batteries, satellites and wind turbines, they rely heavily on a few dozen “critical minerals” – many of which are mined and refined almost entirely by other countries. Building a single F-35A fighter jet, for example, requires at least 920 pounds of rare earth elements that come primarily from China.
Imagine that as you are sitting on your lawn chair, a rocket will be passing by at about 86 % the speed of light. Let us take it a step further and consider that you have a laser based clock consisting of a rod with parallel mirrors and, whenever fired, it would take the laser one second to travel to the top mirror, reflect off of it, and travel back to the bottom mirror.
Sumitomo Forestry, a Japanese wood processing company, has started developing wooden satellites, in partnership with Kyoto University. The project is proposed as a solution to the space junk problem. Thus, end-of-life wooden satellites would fully burn up in the Earth’s atmosphere without leaving any harmful debris.