Reference Terms
from Wikipedia, the free encyclopedia
Jet engine
A jet engine is any engine that accelerates and discharges a fast moving jet of fluid to generate thrust in accordance with Newton's third law of motion.
Note: The above text is excerpted from the Wikipedia article "Jet engine", which has been released under the GNU Free Documentation License.
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Matter & Energy News
January 21, 2025
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 ...
Jan. 15, 2025 — Researchers have demonstrated new wearable technologies that both generate electricity from human movement and improve the comfort of the technology for the people wearing them. The work stems from an advanced understanding of materials that ...
Jan. 15, 2025 — Astronomers have detected an intensely brightening and dimming quasar that may help explain how some objects in the early universe grew at a highly accelerated rate. The discovery is the most distant object detected by the NuSTAR X-ray space ...
Jan. 14, 2025 — Engineers have demonstrated a well-known quantum thought experiment in the real world. Their findings deliver a new and more robust way to perform quantum computations and they have important ...
Latest Headlines
updated 12:56 pm ET
Jan. 21, 2025 — DNA-nanoparticle motors are exactly as they sound: tiny artificial motors that use the structures of DNA and RNA to propel motion by enzymatic RNA degradation. Essentially, chemical energy is ...
Jan. 21, 2025 — A new paper led by Professor Imanuel Lerman of UC San Diego provides a review of the field of bioelectronic medicine and the most promising opportunities for life-changing new therapies and ...
Jan. 21, 2025 — Scientists are unlocking the secrets of halide perovskites -- a material that's poised to reshape our future by bringing us closer to a new age of energy-efficient optoelectronics. Two physics ...
Jan. 21, 2025 — A team of researchers has developed innovative methods to enhance frequency conversion of terahertz (THz) waves in graphene-based structures, ...
Jan. 21, 2025 — Transition metals have long been used as catalysts to activate small molecules and turn them into valuable products. However, as these metals can be ...
Jan. 21, 2025 — If you've ever tossed a generous pinch of salt into your pasta pan's water for flavor or as an attempt to make it boil faster, you've likely ended up with a whitish ring of deposits inside the pan. A ...
Jan. 21, 2025 — Instead of relying on energy-hungry reactors to generate high temperatures and pressure, researchers are looking underground at Earth's natural heat and forces to cook up ammonia for fertilizer. In a ...
Jan. 21, 2025 — Researchers present paper-based temperature and humidity sensors that are accurate, reliable, and eco-friendly. The team created the sensors by printing silver lines on commercially available paper ...
Jan. 17, 2025 — In life sciences, confocal fluorescence microscopy (CFM) is widely regarded for producing high-resolution cellular images. However, it requires fluorescent staining, which poses risks of ...
Jan. 17, 2025 — Atmospheric scientists show proposed 'geoengineering' effort to remove methane, a potent greenhouse gas, from the atmosphere could worse air quality while providing minimal climate ...