Amazon, Apple, Twitter score low on clean energy: study

Amazon, Apple and Twitter were graded poorly Tuesday in a Greenpeace study of technology titans' use of clean energy to power the mushrooming Internet cloud, but Facebook, Google and Yahoo! won praise.

Networking for high performance computing

From drug simulation to predicting tsunamis and sea vehicle tracking, high-performance computing has revolutionised the way companies and governments operate. Similarly, embedded computing has revolutionised the way we observe ...

Ionic defect landscape in perovskite solar cells revealed

The group of so-called metal halide perovskites as materials has revolutionized the field of photovoltaics in recent years. Generally speaking, metal halide perovskites are crystalline materials that follow the structure ...

How stimulus dollars are spent will affect emissions for decades

The COVID-19 pandemic and subsequent lockdowns have led to a record crash in emissions. But it will be emission levels during the recovery—in the months and years after the pandemic recedes—that matter most for how global ...

Quantifying uncertainty in computer model predictions

DOE's National Energy Technology Laboratory (NETL) has great interest in technologies that will lead to reducing the CO2 emissions of fossil-fuel-burning power plants. Advanced energy technologies such as Integrated Gasification ...

Team unveils new path for dense photonic integration

Integrated optical semiconductor (hereinafter referred to as optical semiconductor) technology is a next-generation technology for which many researches and investments are being made worldwide because it can make complex ...

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