Reference Terms
from Wikipedia, the free encyclopedia
Eyeglass prescription
An eyeglass prescription is a written order by an ophthalmologist or an optometrist to an optician for eyeglasses.
Note: The above text is excerpted from the Wikipedia article "Eyeglass prescription", which has been released under the GNU Free Documentation License.
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Science News
December 20, 2024
Dec. 20, 2024 — One of the biggest mysteries in science -- dark energy -- doesn't actually exist, according to researchers looking to solve the riddle of how the Universe is expanding. For the past 100 years, physicists have generally assumed that the cosmos is ...
Dec. 19, 2024 — A new study explores how variations in Mars' crustal thickness during its ancient history may have influenced the planet's magmatic evolution and hydrological systems. The research suggests that the ...
Dec. 18, 2024 — While volcanism caused a temporary cold period, the effects had already worn off thousands of years before the meteorite, the ultimate cause of the dinosaur extinction event, ...
Dec. 18, 2024 — California ground squirrels hunt, kill and eat voles, reveals a new study documenting evidence of widespread carnivorous behavior among ...
Latest Headlines
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Dec. 19, 2024 — A new tool that predicts the behavior of desert locust populations will help national agencies to manage huge swarms before they devastate food crops in Africa and ...
Dec. 19, 2024 — Researchers have designed a new technology that takes inspiration from WWI fighter aircraft machine gun and propeller synchronization to manipulate cell behavior by precisely modulating the pH of the ...
Dec. 19, 2024 — New research finds a pervasive low-quality diet among pregnant and postpartum individuals, reflecting 'an urgent need for widespread ...
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 — Physician-scientists found that a subset of artificial heart patients can regenerate heart muscle, which may open the door to new ways to treat and perhaps someday cure heart ...
Dec. 20, 2024 — Scientists have uncovered new details about the mechanism behind cancer progression. Researchers explored the influence the mechanical stiffening of the tumor cell's environment may have on the ...
Dec. 20, 2024 — New research reveals that right whales can survive for more than 130 years -- almost twice as long as previously ...
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 ...