I THINK Lecoq de Boisbaudran was the first who called attention to the fact that the line spectra of the elements are by no means so irregular as they seem to be at first sight. He discovered the ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Life for the 19th-century astronomer was kind of monotonous, 200 years after Galileo's ...

The Trump administration is planning to close a small, obscure laboratory whose work undergirds everything from microchip manufacturing to nuclear fusion. The Atomic Spectroscopy Group at the National ...