Cambridgeâs CDT, for example, is recognized as a pioneer in polymer organic light-emitting diodes (P-OLEDs ).
Indeed, there was nothing accomplished in the way of further encroachment on the Cdt after 686, save Incs and Cuthreds extension of Wessex into the valleys of the Tone and the Exe, and Offas slight expansion of the Mercian frontier beyond the Severn, marked by his famous dyke.