The hybrid disc works by making the Blu-ray layer act like a two way mirror, reflecting enough light for Blu-ray playback, but letting enough lightthrough for HD DVD operation.
Igzo (indium gallium zinc oxide) screens have higher translucency than standard TFT (thin film transistor) LCDs, meaning they are better at lettinglight pass through them.
The A387 at Sandplace Road has been closed while the B3253 St Martin's Hill is under traffic light control, letting one lane of traffic through at a time.
To observe such a distant, faint object, scientists had to collect lightthrough the telescopes over 37 hours, letting more and more light accumulate to see as deep as possible.