Q: What are diffraction gratings? A diffraction grating is an optical component for spectroscopy that splits light into different wavelengths. A typical diffraction grating has thousands of ...

Sean Anderson, 43, fell through an open grating on the Unity installation, about 112 miles (180km) north-east of Aberdeen, on 4 September 2014. Mr Anderson, from the Tyne and Wear area ...

Sean Anderson, 43, fell through an open grating on the Unity installation, about 112 miles (180km) north-east of Aberdeen, on 4 September 2014. Mr Anderson, from the Tyne and Wear area ...