Get Career Tips & Advice. Weâve got serious career advice, with a side of sass, on careers, salary negotiation and professional growth â and the data to back it up. The world of work has changed dramatically. The same old career advice just doesnât cut it.
Rutherfordium is a chemical element with symbol Rf and atomic number 104, named in honor of physicist Ernest Rutherford.
Electromagnetic radiation of wavelengths other than those of visible light were discovered in the early 19th century. The discovery of infrared radiation is ascribed to astronomer William Herschel, who published his results in 1800 before the Royal Society of London.