Energy & Green Tech
Transport is likely the hardest economic sector to decarbonize. And road vehicles produce the most greenhouse gas emissions of the Australian transport sector—85% of its total. Freight trucks account for only 8% of travel ...
Jan 18, 2024
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Energy & Green Tech
Researchers at Kyushu University, in collaboration with Osaka University and the Fine Ceramics Center, have developed a framework that uses machine learning to speed up the discovery of materials for green energy technology.
Jan 18, 2024
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112
Energy & Green Tech
A Northwestern University-led team of researchers has developed a new fuel cell that harvests energy from microbes living in dirt.
Jan 15, 2024
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45
Energy & Green Tech
University of Waterloo researchers are tapping into idled electric vehicles to act as mobile generators and help power overworked and aging electricity grids.
Jan 12, 2024
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Engineering
Researchers from The Hong Kong University of Science and Technology (HKUST) have developed a sensor array design technology inspired by the human auditory system. By mimicking the human ear's ability to distinguish sounds ...
Jan 12, 2024
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Electronics & Semiconductors
An insight into preventing perovskite semiconductors from degrading quickly, discovered at the University of Michigan, could help enable solar cells estimated to be two to four times cheaper than today's thin-film solar panels.
Jan 11, 2024
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47
Engineering
Scientists have unveiled a roadmap for bringing perovskite/silicon tandem solar cells to market, paving the way for a future powered by abundant, inexpensive clean energy in Saudi Arabia and the world.
Jan 11, 2024
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109
Electronics & Semiconductors
Scientists are advancing the use of semiconductors to convert sunlight into renewable energy. In solar cells, semiconductors convert sunlight into electricity. When brought into direct contact with water, semiconductors can ...
Jan 10, 2024
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Engineering
A research team has achieved notable advancements in the stability and efficiency of perovskite solar cells. Their work not only paves the way for the commercialization of perovskite solar cells (PSCs), but also offers significant ...
Jan 10, 2024
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Energy & Green Tech
Photovoltaic (PV) solar energy is emerging as a significant contributor to global sustainable energy production. Inspired by the continued technological progress of PV, and motivated by the challenges ahead, the Journal of ...
Jan 9, 2024
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The cell is the structural and functional unit of all known living organisms. It is the smallest unit of an organism that is classified as living, and is often called the building block of life. Some organisms, such as most bacteria, are unicellular (consist of a single cell). Other organisms, such as humans, are multicellular. (Humans have an estimated 100 trillion or 1014 cells; a typical cell size is 10 µm; a typical cell mass is 1 nanogram.) The largest known cell is an unfertilized ostrich egg cell.
In 1835 before the final cell theory was developed, a Czech Jan Evangelista Purkyně observed small "granules" while looking at the plant tissue through a microscope. The cell theory, first developed in 1839 by Matthias Jakob Schleiden and Theodor Schwann, states that all organisms are composed of one or more cells. All cells come from preexisting cells. Vital functions of an organism occur within cells, and all cells contain the hereditary information necessary for regulating cell functions and for transmitting information to the next generation of cells.
The word cell comes from the Latin cellula, meaning, a small room. The descriptive name for the smallest living biological structure was chosen by Robert Hooke in a book he published in 1665 when he compared the cork cells he saw through his microscope to the small rooms monks lived in.
This text uses material from Wikipedia, licensed under CC BY-SA
