News tagged with light

Breakthrough in OLED technology

Organic light emitting diodes (OLEDs), which are made from carbon-containing materials, have the potential to revolutionize future display technologies, making low-power displays so thin they'll wrap or fold ...

Mar 02, 2015
4.7 / 5 (54) 1

Precision gas sensor could fit on a chip

Using their expertise in silicon optics, Cornell engineers have miniaturized a light source in the elusive mid-infrared (mid-IR) spectrum, effectively squeezing the capabilities of a large, tabletop laser onto a 1-millimeter ...

Feb 27, 2015
5 / 5 (3) 0

A new X-ray microscope for nanoscale imaging

Delivering the capability to image nanostructures and chemical reactions down to nanometer resolution requires a new class of x-ray microscope that can perform precision microscopy experiments using ultra-bright ...

Feb 27, 2015
5 / 5 (5) 0

How far back are we looking in time?

The Universe is a magic time window, allowing us to peer into the past. The further out we look, the further back in time we see. Despite our brains telling us things we see happen at the instant we view ...

11 hours ago
4.5 / 5 (10) 3

Thomas Edison's 'lost' idea: A device to hear the dead

One of Thomas Edison's little-known ambitions was to build a device to hear the voices of the dead, according to a nearly lost chapter of the inventor's memoirs which is being republished in France this week.

Mar 05, 2015
4.6 / 5 (7) 1

Researchers connect climate change to food safety

Climate change can affect our food safety in a number of ways. In a European study, researchers at Wageningen University and Ghent University (Belgium) state that there is often a relationship between long-term changes in ...

12 hours ago
2.3 / 5 (3) 3

What causes the sunlight flavour in milk?

Most of us have tasted milk that has been left in the sun – it has a distinctive off-flavour. The reason is that milk and other dairy products turn rancid when exposed to light.

Mar 03, 2015
4.5 / 5 (2) 0

Large-surface light-emitting plastic film

Based on OLED technology and implemented by means of a printing machine, this method developed by VTT Technical Research Centre of Finland Ltd provides an opportunity to create patterned and flexible light-emitting ...

Mar 03, 2015
4.5 / 5 (2) 1