Oceanography
Why Are Coral Reefs Important?
Coral reefs matter because their physical structure and biological productivity support diverse marine communities and provide services to people. Their value is ecologi…
Limit
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Articles about Limit
501 published items.
Discover science
What Is the Uncertainty Principle?
The uncertainty principle is a quantum-mechanical limit on how sharply certain pairs of properties, such as position and momentum, can be defined together in the same st…
Space science
How many years would it take to explore the universe while traveling at the speed of light?
The speed of light, equivalent to 299,792,458 m/s, is considered the maximum speed limit revealed by Einstein's theory of relativity.
Space science
If a planet capable of holding 1,321 Earths inside collided with the Sun, what would happen?
We all know the terrible consequences of a comet colliding with Earth. But what would happen if Jupiter crashed into the Sun?
Space science
New speed limits for the most extreme collisions in the universe.
Researchers have identified a new speed limit for the most extreme collisions in the universe.
Discover science
Science estimates there are more than 36 other civilizations in the Milky Way.
Humans have long suspected that they are not alone in the universe, and modern science says there may be dozens of alien civilizations lurking not far from Earth.
Space science
'Monster' scarier than black holes, what exactly is a quasar?
To date, there are still many unknown and uncertain aspects about the properties and behavior of quasars.
Discover science
Top 5 fairy-like places in China that are 'inviolable' to international visitors
Some places in China are off-limits to foreigners, open only to locals.
Space science
The largest star ever known in the universe, hundreds of times more massive than our Sun
Hidden in the Large Magellanic Cloud, a nebula just outside the Milky Way, lies what may be the largest known star in the entire universe.
Space science
Discovery changes fundamental theory of light
Scientists have found a new limit on the mass of a particle of light (photon) based on indirect measurements.
Scientific works
155m-tall 'head-heavy' twisted building designed to overcome limited space
To overcome the limited space, Vancouver House was designed with a small triangular base, which then twists and expands with height.
Flu epidemic
What should F1 do if they are quarantined at home?
These people must ensure that they limit contact with family members, not leave their place of residence, and take nCoV test samples at least 5 times.
Space science
Two Saturn moons crashed into each other and broke apart, creating a mystery?
One of the most puzzling structures in the Solar System may have been created by a collision of two icy moons orbiting Saturn.
Health
The mystery of human lifespan limits
Scientists debate whether there is a specific limit to how long humans can live. Some say humans can live to be 1,000 years old.
Discover science
Why do we get older when cells are always replicating?
The human body is not designed to live very long and is usually limited to the age of 90. So why do we age and what does aging really mean?