Reference Terms
from Wikipedia, the free encyclopedia
Altimeter
An altimeter is an active instrument used to measure the altitude of an object above a fixed level.
Note: The above text is excerpted from the Wikipedia article "Altimeter", which has been released under the GNU Free Documentation License.
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Matter & Energy News
December 20, 2024
Dec. 11, 2024 — An interdisciplinary team has created tiny bubble-like microrobots that can deliver therapeutics right where they are needed and then be absorbed by the ...
Dec. 4, 2024 — Since the 1960s, scientists who study X-rays, lightning and similar phenomena have observed something curious: In lab experiments replicating these occurrences, electrons accelerated between two electrodes can be of a higher energy than the voltage ...
Dec. 2, 2024 — A theoretical study suggests that small black holes born in the early universe may have left behind hollow planetoids and microscopic tunnels, and that we should start looking within rocks and old ...
Nov. 12, 2024 — Global carbon emissions from fossil fuels have reached a record high in 2024, according to new ...
Latest Headlines
updated 12:56 pm ET
Dec. 20, 2024 — Researchers have made a meaningful advance in the simulation of molecular electron transfer -- a fundamental process underpinning countless physical, ...
Dec. 20, 2024 — Researchers have developed a new material for sodium-ion batteries, sodium vanadium phosphate, that delivers higher voltage and greater energy ...
Dec. 20, 2024 — Researchers developed a biosensing technique that eliminates the need for wires. Instead, tiny, wireless antennas use light to detect minute electrical signals in the solution around ...
Dec. 20, 2024 — A research team has revealed that to use the aquifer thermal energy storage (ATES) system safely over the long term it is crucial to investigate the groundwater quality before operating the system ...
Dec. 19, 2024 — Opening new doors for the development of nanotechnologies in medicine and other fields, scientists recreate and compare two natural mechanisms to better program the timescale of molecular ...
Dec. 20, 2024 — Artificial intelligence can provide critical insights into how complex mixtures of chemicals in rivers affect aquatic life -- paving the way for better environmental ...
Dec. 20, 2024 — Quantum teleportation could provide near-instant communication over long distances. But, inside Internet cables, photons needed for teleportation are lost within the millions of light particles ...
Dec. 20, 2024 — Researchers have developed a new technology that improves the precision and integration density of synthetic genetic ...
Dec. 19, 2024 — Scientist have begun to reveal the particle-level processes that create the type of auroras that dance rapidly across the sky. The Kinetic-scale Energy and momentum Transport experiment -- KiNET-X -- ...
Dec. 16, 2024 — A research team has developed a highly efficient wearable energy harvester that can power electronic devices using only body ...