What Is the Speed of Sound | Mach 1 | Live Science
WebMay 31, 2013 · The speed of sound varies depending on the temperature of the air through which the sound moves. On Earth, the speed of sound at sea level — assuming an air temperature of 59 degrees Fahrenheit ...
Albatrosses: Facts about the biggest flying birds | Live Science
WebJul 24, 2020 · There are 23 species of albatrosses, though arguably the most famous is the wandering albatross ( Diomedea exulans ), which is the largest flying bird in the world. This bird has a 11-foot (3.4 ...
What are wormholes? | Live Science
WebNov 11, 2021 · A wormhole is a special solution to the equations describing Einstein's theory of general relativity that connects two distant points in space or time via a tunnel. Ideally, the length of this ...
What is a superconductor? | Live Science
WebJul 23, 2021 · The future of superconductors. Additional resources. A superconductor is a material that achieves superconductivity, which is a state of matter that has no electrical resistance and does not allow ...
What is the Fermi Paradox? | Live Science
WebDec 5, 2021 · The Fermi Paradox refers to the dichotomy between the high probability that extraterrestrial intelligence exists and the fact that we have no evidence for such aliens. This paradox was described ...
When will the sun explode? | Live Science
WebDec 19, 2021 · At this point roughly 5 billion years in the future, the sun will stop generating heat via nuclear fusion, and its core will become unstable and contract, according to NASA. Meanwhile, the outer ...
What is time dilation? | Live Science
WebNov 17, 2021 · Time dilation refers to the seemingly odd fact that time passes at different rates for different observers, depending on their relative motion or positions in a gravitational field. Here’s how ...
Who Invented the Microscope? | Live Science
WebSep 14, 2013 · Historians attribute the invention of the microscope to the Janssens, thanks to letters by the Dutch diplomat William Boreel. In the 1650s, Boreel wrote a letter to the physician of the French ...
Poison dart frogs: Facts about these deadly amphibians | Live …
WebNov 6, 2021 · Poison dart frogs are tiny, measuring just 1 to 2 inches (2.5 to 5 centimeters) long, and unlike many other amphibians they are diurnal, meaning they are active in the daytime, according to the ...
Acid Rain: Causes, Effects and Solutions | Live Science
WebMar 16, 2022 · Acid rain, or acid deposition, is a broad term that includes any form of precipitation that contains acidic components, such as sulfuric acid or nitric acid. The precipitation is not necessarily ...
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