What Minerals Are Found There? Ukraine holds some of the most valuable natural resources in the world, known as critical minerals. These are essential for making things like electric vehicles, ...

Ukraine and the United States on Wednesday signed a deal heavily promoted by U.S. President Donald Trump that will give the ...

Ukraine and the U.S. have signed a deal granting the U.S. preferential access to Ukrainian mineral deals and funding for ...

Upconversion is a phenomenon in which low-energy photons are combined to produce a higher-energy photon. This process requires the successive absorption of two photons to emit a high-energy photon. As ...

The discovery was made in a crystal composed of erbium, iron and oxygen that was cooled to minus 457 Fahrenheit and exposed to a powerful magnetic field of up to 7 tesla (over 100,000 times stronger ...