Traditional lenses—like the ones found in eyeglasses—are bulky, heavy and only focus light across a limited number of wavelengths. A new, ultrathin metalens developed by researchers at the University of California, Berkeley, ...
Condensed Matter
Jun 26, 2020
3
980
Researchers at the Max Born Institute for Nonlinear Optics and Short Pulse Spectroscopy (MBI) have reached a new milestone in few-cycle pulse generation, breaking a 10-year-old record and achieving 1.5-optical-cycle-long ...
Optics & Photonics
Jun 23, 2020
0
4
The short-term environmental benefits of the COVID-19 crisis, including declines in carbon emissions and local air pollution, have been documented since the early days of the crisis. This silver lining to the global crisis, ...
Environment
Jun 23, 2020
3
4
Rice University engineers have created a light-powered catalyst that can break the strong chemical bonds in fluorocarbons, a group of synthetic materials that includes persistent environmental pollutants.
Materials Science
Jun 22, 2020
1
427
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 ...
Environment
Jun 10, 2020
1
279
New recycling technologies currently being tested may allow plastics such as single-use food packaging, fibre-reinforced car parts and mattress foam—polymers which often wind up in landfills or are incinerated—to have ...
Environment
Jun 8, 2020
0
11
ESA's Prometheus is the precursor of ultra-low-cost rocket propulsion that is flexible enough to fit a fleet of new launch vehicles for any mission and will be potentially reusable.
Space Exploration
Jun 5, 2020
3
32
Stay-at-home orders and the economic crisis have increased the burden of energy costs on lower-income Australians. Poor housing quality and unequal access to home energy efficiency are hurting our most vulnerable households. ...
Economics & Business
Jun 3, 2020
0
3
California and nearly two dozen other states on Wednesday filed suit against the Trump administration, arguing that its decision to weaken fuel efficiency standards for cars and trucks puts the public's health at risk and ...
Environment
May 29, 2020
0
14
Researchers in the US and Korea reported the first efficient flexible light-emitting diodes with a two-dimensional titanium carbide MXene as a flexible and transparent electrode. These MXene-based light-emitting diodes (MX-LED) ...
Materials Science
May 26, 2020
0
214
