Reference Terms
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Helium
Helium is a chemical element that has the symbol He, is colorless, odorless, tasteless, non-toxic, and nearly inert monatomic that heads the noble gas series in the periodic table.
Note: The above text is excerpted from the Wikipedia article "Helium", which has been released under the GNU Free Documentation License.
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Matter & Energy News
December 19, 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. 18, 2024 — Physicists have created a new and long-lasting magnetic state in a material, using only light. The results provide a new way to control and switch antiferromagnetic materials, which are of interest ...
Dec. 19, 2024 — Engineers have developed AI frameworks to identify evidence-driven hypotheses that could advance biologically inspired ...
Dec. 18, 2024 — To guard against harmful waterborne pathogens, many consumers, including managers of health-care facilities, install antimicrobial silver-containing showerheads. But researchers now report that these ...
Dec. 18, 2024 — Researchers can now fabricate a 3D chip with alternating layers of semiconducting material grown directly on top of each other. The method eliminates thick silicon substrates between the layers, ...
Dec. 18, 2024 — A fragment of 'lost' music found in the pages of Scotland's first full-length printed book is providing clues to what music sounded like five centuries ago. Scholars have been investigating the ...
Dec. 18, 2024 — Scientists have developed swarms of tiny magnetic robots that work together like ants to achieve Herculean feats, including traversing and picking up ...
Dec. 18, 2024 — Atomic clocks that excite the nucleus of thorium-229 embedded in a transparent crystal when hit by a laser beam could yield the most accurate measurements ever of time and gravity, and even rewrite ...
Dec. 17, 2024 — If the experience of watching a FIFA World Cup soccer final is intense, spare a thought for the players, who are competing at an ever increasing intensity, according to a new ...
Dec. 17, 2024 — Engineers have reported a significant advancement in engineering biology and clean energy. A team of researchers has developed an innovative light-driven hybrid nanoreactor that merges natural ...
Dec. 17, 2024 — A new study offers hope for people who are blind or have low vision (pBLV) through an innovative navigation system that was tested using virtual ...