When it comes to telescope mirrors, larger is generally better. The larger your main mirror, the more light you can capture and the more faint and distant objects you can see. The problem is that ...

CRTs get messed up by magnets because they are based on a cathode (i.e., electron) ray tube. Electrons get affected by magnets quite a bit - hell, CRTs have electromagnets in them to guide the ...

From cell phones to wind turbines and missile defense systems, modern technologies depend on critical minerals like rare earth elements. As demand grows, researchers are exploring more efficient and ...