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Polymers Apr 7, 2021

Chain length determines molecular color, allowing color-tuning for medical imaging

Around the world, a huge amount of research and development work is currently being done on carbon-containing, or organic, molecules that emit colored light after appropriate excitation. This research field is driven by the ...

Archaeology Mar 24, 2021

The world's earliest stone technologies are likely to be older than previously thought

A new study from the University of Kent's School of Anthropology and Conservation has found that Oldowan and Acheulean stone tool technologies are likely to be tens of thousands of years older than current evidence suggests.

Space Exploration Mar 19, 2021

Biden picks former senator who flew in space to lead NASA

President Joe Biden has chosen a former senator from Florida who flew on the space shuttle right before the Challenger accident to lead NASA.

Ecology Mar 18, 2021

From poaching to avocados, Kenya's elephants face new threat

Just after dawn, Tolstoy lumbers into view. A wandering giant, with tusks almost scraping the earth, this great elephant has roamed beneath Mount Kilimanjaro for nearly 50 years.

Optics & Photonics Mar 3, 2021

Plastic solar cells combine high-speed optical communication with indoor energy harvesting

Around the world, there are currently more than 18 billion internet-connected mobile devices. In the next 10 years, anticipated growth in the internet of Things (IoT) and in machine-type communication in general, will lead ...

Materials Science Mar 2, 2021

Researchers develop new strategy for efficient OLED active matrix displays

In a new publication in the scientific journal Nature Materials, researchers of the Institute for Applied Physics at TU Dresden introduce a novel device concept towards high-efficient and low-voltage vertical organic lighting-emitting ...

Biotechnology Feb 26, 2021

Twinkle, twinkle, little star: Physicists develop a new method for counting molecules

Who hasn't looked at the sky on a mild summer night and thought about the vastness of the universe? The trained eye can see the Andromeda galaxy as a distant spot. Thanks to the latest telescopes, we know that it consists ...

Materials Science Feb 26, 2021

Light-emitting tattoo engineered for the first time

Scientists at UCL and the IIT—Istituto Italiano di Tecnologia (Italian Institute of Technology) have created a temporary tattoo with light-emitting technology used in TV and smartphone screens, paving the way for a new type ...

Nanomaterials Feb 25, 2021

Molecular bridges power up printed electronics

The exfoliation of graphite into graphene layers inspired the investigation of thousands of layered materials: amongst them transition metal dichalcogenides (TMDs). These semiconductors can be used to make conductive inks ...

General Physics Feb 18, 2021

Ultrafast electron dynamics in space and time

Often depicted as colorful balloons or clouds, electron orbitals provide information on the whereabouts of electrons in molecules, a bit like fuzzy snapshots. In order to understand the exchange of electrons in chemical reactions, ...

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