With the increase in global energy demand and environmental pollution, the development of sustainable energy to reduce the consumption of fossil fuels (such as oil, natural gas, and coal) has become the key to achieving sustainable ...
Analytical Chemistry
Feb 26, 2024
0
10
Hydrogen gas is a clean, renewable alternative to fossil fuels, but current industrial production methods used to produce hydrogen release carbon into the atmosphere and pollute the environment.
Nanomaterials
Sep 6, 2023
0
65
How do you make transport in the world's big cities more climate-friendly without putting too much pressure on people? A model-based study of 120 major cities around the globe now shows how these two major goals can be reconciled. ...
Environment
May 29, 2023
1
170
Scientists at EPFL have found a new way to create a crystalline structure called a "density wave" in an atomic gas. The findings can help us better understand the behavior of quantum matter, one of the most complex problems ...
Quantum Physics
May 24, 2023
0
360
It has been believed that Hall thrusters, an efficient kind of electric propulsion widely used in orbit, must be large to produce a lot of thrust. Now, a new study from the University of Michigan suggests that smaller Hall ...
Space Exploration
Jan 24, 2023
4
3819
The rapid growth of plastic waste is an ever-growing environmental and energy challenge. Selectively converting waste plastics to naphtha, a main feedstock for ethylene and the plastic industry, shows high potential to partially ...
Polymers
Jan 19, 2023
0
5
Supercapacitors are energy-storage devices that complement rechargeable batteries, and could even partially replace them. Current supercapacitors do not have sufficient energy density, so they don't last long enough. A novel ...
Materials Science
Jan 3, 2023
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1184
The metal-carbon dioxide battery is a promising and environmentally friendly technology, but its energy efficiency is limited. Recently, a research team co-led by chemists from City University of Hong Kong (CityU) discovered ...
Nanophysics
Nov 16, 2022
0
90
Atomic gas is the basic material that all galaxies are formed from. The evolution of galaxies is mostly a procedure of accreting atomic gas from the intergalactic medium and then converting it into stars.
Astronomy
Oct 21, 2022
2
134
Gas around black holes and interstellar medium distribution are key factors in understanding the growth of supermassive black holes and the evolution of their host galaxies. However, as a crucial parameter, gas density is ...
Astronomy
Mar 3, 2021
0
67
