An LED emitting light on a 6-inch silicon wafer.

All set and ready to glow

03 February 2012

A breakthrough technique for manufacturing LEDs on silicon is to be exploited in the UK, putting mass-produced, energy-efficient lighting within reach.

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16th century votive offerings

Objects of devotion

02 February 2012

Why did Renaissance shoppers fill their baskets with rosaries, crucifixes, Christ-dolls and devotional paintings? A new study by historian Dr Mary Laven investigates the significance...

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