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Articles about 'Gehan Amaratunga'

Long exposure light painting

Smart lighting system based on quantum dots more accurately reproduces daylight

03 August 2022

Researchers have designed smart, colour-controllable white light devices from quantum dots – tiny semiconductors just a few billionths of a metre in size – which are more efficient and have better colour saturation than standard LEDs, and can dynamically reproduce daylight conditions in a single light.

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Cambridge joins international partners in Singapore as country's flagship research programme celebrates 10th anniversary

23 January 2018

An international symposium at Singapore’s CREATE campus highlights the global challenges of sustainable energy and suggests innovative ways of reducing industry’s carbon footprint 

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Transistors

Engineers design ultralow power transistors that could function for years without a battery

20 October 2016

A new design for transistors which operate on ‘scavenged’ energy from their environment could form the basis for devices which function for months or years without a battery, and could be used for wearable or implantable electronics.

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The radiation pattern from a dipole antenna showing symmetry breaking of the electric field

New understanding of electromagnetism could enable ‘antennas on a chip’

09 April 2015

New understanding of the nature of electromagnetism could lead to antennas small enough to fit on computer chips – the ‘last frontier’ of semiconductor design – and could help identify the points where theories of classical electromagnetism and quantum mechanics overlap.

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