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Why is number 0 symbolized by a mysterious circle?
After AD, the number 0 is denoted as a circle as it is today. Why does zero have such an interesting circle?
Zero
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Articles about Zero
134 published items.
Discover science
How long do people not eat, sleep or breathe?
The human body is not as solid as we often think. However, there are people who like to challenge them to the limits of nature.
Discover science
Will selfish people become extinct?
A recent study shows that selfish people will not be advantageous in evolution and will sooner or later be extinct.
Discover science
Prove the existence of ultra-liquid light
Scientists have done an experiment to prove that light can also be transmitted with superfluid properties.
Discover science
Magnetic properties disappear at almost 0 degrees absolute
A strange property of ferromagnetism near absolute zero (0 K) provides direct evidence that some quantum phase transitions occur very differently from the traditional tr…
1001 mystery
Vatican knows secrets about aliens?
Emails published by Wikileaks show that the Vatican may be holding a lot of information about the
Conquer Mars
What will people on Mars look like?
When it comes to finding a new planet to live in, Mars is the best choice for humanity.
Space science
Belching in the universe - horror stories are more than when astronauts 'come months'
After all, the gravitational micro-environment of the universe can bring about great effects
Space science
When the world's fastest people race in a zero gravity environment
Perhaps Usain Bolt is no longer a strange name for many people in the world because he is the holder of the Olympic record and the world in the running 100m and 200m.
Space science
In a zero gravity environment, do astronauts get sick easily?
Becoming an astronaut is not an easy thing when candidates have to go through a process of training and testing for months on the ground.
Space science
Telemetron - Musical instruments are designed to play in a zero gravity environment
There is no denying and undeniable: the Earth civilization possesses the most interesting culture in the universe.
Space science
MIT fabricates silk guns to move in non-gravity space
Astronauts will use a silk shotgun inspired by spiders to pull the body from one point to another
Space science
Robot up space to support astronauts
CIMON is an artificial intelligence robot and can operate in a zero gravity environment.
Space science
Surviving and even being
The cosmic black hole can be interpreted as a zero-time zone with tremendous gravitational force, enough to twist the light.
Space science
The scientific world when it comes to finding the
All research on astronautics must be based on a prerequisite, which is to ensure safety for astronauts.