Reference Terms
from Wikipedia, the free encyclopedia
Acceleration
In physics or physical science, acceleration (symbol: a) is defined as the rate of change (or derivative with respect to time) of velocity.
Note: The above text is excerpted from the Wikipedia article "Acceleration", which has been released under the GNU Free Documentation License.
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Matter & Energy News
September 9, 2024
Aug. 29, 2024 — Chemists have developed a catalytic process that turns the largest component of today's plastic waste stream, polyolefin plastic bags and bottles, into gases -- propylene and isobutylene -- that are ...
Sep. 4, 2024 — In creating a pair of new robots, researchers cultivated an unlikely component, one found on the forest floor: fungal mycelia. By harnessing mycelia's innate electrical signals, the researchers discovered a new way of controlling 'biohybrid' robots ...
Sep. 4, 2024 — Nuclear clocks would measure time based on changes inside an atom's nucleus, which would make them less sensitive to external disturbances and potentially more accurate than atomic clocks. These clocks could lead to improved timekeeping and ...
Aug. 22, 2024 — Non-living hydrogels can play the video game Pong and improve their gameplay with more experience, researchers report. The researchers hooked hydrogels up to a virtual game environment and then ...
Latest Headlines
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Sep. 9, 2024 — The MXene class of materials has many talents. An international team has now demonstrated that MXenes, properly functionalized, are excellent catalysts for the oxygen evolution reaction in ...
Sep. 9, 2024 — Scientists captured clear images of biomolecules in single live cells in water for the first time using infrared (IR) transmission imaging. The IR technique enables researchers to measure the mass of ...
Sep. 9, 2024 — Researchers have found a chemical 'chameleon' that could improve the process used to purify rare-earth metals used in clean energy, medical and national security ...
Sep. 9, 2024 — Researchers have developed a robotic leg with artificial muscles. Inspired by living creatures, it jumps across different terrains in an agile and energy-efficient ...
Sep. 9, 2024 — A new molecular engineering technique can precisely influence the development of organoids. Microbeads made of specifically folded DNA are used to release growth factors or other signal molecules ...
Sep. 9, 2024 — Cement-based materials provide a potential solution for mitigating climate change by trapping and storing atmospheric carbon dioxide as minerals, via ...
Sep. 9, 2024 — Converting biomass such as waste cooking oil into useful chemicals through catalysis can help create a more sustainable chemical industry. However, conventional techniques require enormous energy and ...
Sep. 3, 2024 — An oil-free super-lubricant created from potato proteins could pave the way for sustainable engineering and biomedical applications, thanks to new ...
Sep. 5, 2024 — The heavy metal uranium is, besides its radioactive reputation, known for its intricate chemistry and diverse bonding behaviors. Scientists utilized synchrotron light to explore the unique properties ...
Sep. 6, 2024 — A new study has unveiled a new class of quantum critical metal, shedding light on the intricate interactions of electrons within quantum materials. ...