Reference Terms
from Wikipedia, the free encyclopedia
Internal combustion engine
The internal combustion engine is a heat engine in which combustion occurs in a confined space called a combustion chamber.
Note: The above text is excerpted from the Wikipedia article "Internal combustion engine", which has been released under the GNU Free Documentation License.
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Matter & Energy News
February 17, 2025
Feb. 13, 2025 — What if time is not as fixed as we thought? Imagine that instead of flowing in one direction -- from past to future -- time could flow forward or backward due to processes taking place at the quantum ...
Feb. 12, 2025 — A biohybrid hand which can move objects and do a scissor gesture has been created. The researchers used thin strings of lab-grown muscle tissue bundled into sushilike rolls to give the fingers enough strength to contract. These multiple muscle ...
Feb. 12, 2025 — Scientists have just detected a neutrino that is thirty times more energetic than any previously detected anywhere in the world. This exceptional discovery opens up new perspectives for understanding extreme energy phenomena in the Universe and the ...
Jan. 21, 2025 — Experiments have yielded a fascinating new type of matter, neither granular nor crystalline, that responds to some stresses as a fluid would and to others like a solid. The new material, known as PAM (for polycatenated architected materials) could ...
Latest Headlines
updated 12:56 pm ET
Feb. 12, 2025 — Scientists have used holographic projections to bring unprecedented resolution to a light-based 3D printing technique. The method allows the fabrication of millimeter-scale objects within seconds ...
Feb. 17, 2025 — Researchers have found that adding just the right amount of disorder to the structure of certain materials can make them more than twice as resistant to ...
Feb. 14, 2025 — The process of separating useful molecules from mixtures of other substances accounts for 15% of the nation's energy, emits 100 million tons of carbon dioxide and costs $4 billion annually. In a new ...
Feb. 14, 2025 — Researchers have explored a 'quantum-inspired' technique to make the 'ones' and 'zeroes' for classical computer memory applications out of crystal defects, each the size of an individual atom. This ...
Feb. 17, 2025 — A groundbreaking study explores Ba-Si orthosilicate oxynitride-hydride (Ba3SiO5 xNyHz) as a sustainable catalyst for ammonia synthesis, offering a potential alternative to traditional transition ...
Feb. 14, 2025 — Three innovative design techniques substantially enhance wireless transmitter performance and can boost power efficiency and elevate data rates ...
Feb. 14, 2025 — The Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) and NTT Research, Inc., a division of NTT, announced the publication of research showing an application of ...
Feb. 13, 2025 — Is it possible to tile a surface with a single shape in such a way that the pattern never repeats itself? In 2022, a mathematical solution to this 'Einstein problem' was discovered for the first ...
Feb. 13, 2025 — Researchers have developed a reactor that pulls carbon dioxide directly from the air and converts it into sustainable fuel, using sunlight as the ...
Feb. 13, 2025 — Researchers have synthesized a Bi5-ring, a molecule with five bismuth atoms, and stabilized it in a metal complex. Their discovery fills a gap in chemical knowledge and enables future applications in ...