Tag Archives: crystal

Who Discovered X-Ray?

X-rays (X-radiation) are shorter in the wavelength ultraviolet and longer in wavelength than the gamma rays. In the year 1895, Wilhelm Röntgen (1845-1923) the German physicist noticed that there were unknown rays when he was working on his lab with a cathode radiation tube. Wilhelm Röntgen was awarded the first Nobel prize in physics in … Continue reading

Light Emitting Organic Crystals

Organic light-emitting diodes (OLEDs) is a new technology which has many advantages than the  non-organic LED, as they are thinner, lighter, and less expensive to manufacture. Unfortunately they are not all organic as you might believe considering their name, because they get their glow using small amounts of precious metals. But we might soon get the … Continue reading