Junctions between the two different materials, single-wall carbon nanotubes (SWCNTs) and perovskite (CsPbBr3) quantum dots (QDs)—a mechanically stable and easily customized photovoltaic material that creates an electrical ...
Nanophysics
Jul 31, 2023
0
9
The low-cost, efficient production of hydrogen is an important step toward developing alternative, clean energy sources. Electrochemical water splitting, which splits water into its hydrogen and oxygen elements using an electrocatalyst, ...
Nanomaterials
Jul 31, 2023
0
12
The Amazon River is the largest river in the world. It discharges about one fifth of global freshwater runoff, resulting in a freshwater plume rich in nutrients and trace elements entering the Atlantic Ocean.
Earth Sciences
Jul 31, 2023
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0
Hydrogen has become the beacon of clean energy owing to its high energy density and carbon-free emissions. Despite these advantages, hydrogen fuel is still far from being commercialized. Liquefying hydrogen requires a huge ...
Analytical Chemistry
Jul 31, 2023
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8
Using energy from light to activate natural enzymes can help scientists create new-to-nature enzymatic reactions that support eco-friendly biomanufacturing—the production of fuels, plastics, and valuable chemicals from ...
Biochemistry
Jul 31, 2023
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15
Bringing protons up to speed with strong laser pulses—this still young concept promises many advantages over conventional accelerators. For instance, it seems possible to build much more compact facilities. Prototypes to ...
Optics & Photonics
Jul 31, 2023
1
12
The UN's cultural agency UNESCO on Monday recommended that Venice be added to its list of world heritage in danger, saying the Italian authorities needed to step up efforts to secure the historic city and its surrounding ...
Environment
Jul 31, 2023
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12
At about summer's halfway point, the record-breaking heat and weather extremes are both unprecedented and unsurprising, hellish yet boring in some ways, scientists say.
Environment
Jul 31, 2023
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1
When Iowa State University switched from in-person to remote learning halfway through the spring semester of 2020, psychology professor Jason Chan was worried. Would unsupervised, online exams unleash rampant cheating?
Social Sciences
Jul 31, 2023
0
68
The origin of bees is tens of millions of years older than most previous estimates, a new study shows.
Evolution
Jul 31, 2023
1
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