Picture all of Earth’s oceans, which cover about 70% of the planet and are mostly made of hydrogen. Now multiply that by nine. That may be the amount of hydrogen in Earth’s core, possibly making it ...

Abstract: Array synthesis under practical constraints is a vital design task. Traditional array synthesis methods usually deal with isolated antenna elements without considering mutual coupling (MC) ...

Abstract: This paper introduces an innovative low-cost, wide-angle beam-scanning digitally reconfigurable intelligent array that leverages the co-manipulation of both the element factor and array ...

Rare earth elements are some of the most indispensable materials in modern technology. These 17 elements from the periodic table, such as gadolinium, praseodymium and lanthanum, play critical roles in ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

I'm a software developer and writer, passionate about learning and sharing knowledge and one way I do that is through writing. I'm a software developer and writer, passionate about learning and ...

Millions of tons of coal ash left over from burning the planet’s dirtiest fossil fuel are sitting in ponds and landfills, able to leach into waterways and pollute soil. But this toxic waste may also ...