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The reason why power lines are dimmed
Power lines are dimmed when installed on electric poles because they are mass and attracted by the gravity of the Earth.
Tension
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Articles about Tension
42 published items.
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Discover a new state of water
The belief that water has only three solid, liquid, and gas forms is no longer suitable when scientists find that hot water between 40 and 60 degrees C begins to switch…
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Strange physical effects are discovered from mediocre tea cups
Someone has said that the real signal for a scientific discovery is not
Discover science
Learn super fun magic: Make coins float on the water
The coins in the world are all made of metal. But already metal, of course, cannot float on the water, because the metal has a much higher specific gravity than water.
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Experiments show how exploding balloons and unexpected applications
Many of us must have experienced feelings
Discover science
The astronaut's luck rite before flying into space
For astronauts, rituals or luck rites play a very important role before they begin their flight into space.
Space science
Chinese astronaut lectures in the universe
On the morning of June 20, astronaut Vuong A Binh, the second Chinese woman flying into space, gave a lecture on the earth's orbit.
Space science
Iran launches the satellite as tensions are rising
AFP quoted Iranian official news agency IRNA said that the February 3 country had successfully launched a satellite observing Earth's orbit on February 3, and this is Ir…
Space science
Why are water droplets spherical in the universe?
On Earth, whether it's in a lake or in a cup, gravity pulls the liquid down into its shape. But in the universe, the influence of attraction is different.
Biology
Why do mosquitoes walk on water and on walls?
Mosquitoes can be blood-sucking, pathogenic, uncomfortable creatures, but they have a pair of animals that no animal can: walk on the wall and walk under water.
Animal world
13 interesting things about cat whiskers
Mustache is one of the most important parts of a cat, so if you have a whisker, your cat will not be able to function normally.
Environment
Earth temperature may change because of nuclear war
Recent tensions on the Korean peninsula have made pessimists worried that the US and North Korea could use nuclear weapons to attack the enemy.
Videos
Why are water droplets shaped?
Surface tension acts on molecules on the surface of the liquid, causing droplets in the air to be spherical.
Science Events
North Korea does not sign the Treaty to ban chemical weapons
Tensions between the DPRK and the West continue to increase as Pyongyang refuses to participate in an international agreement banning the use of chemical weapons. Among…
Science story
Decrypt secret crack
American experts have created large-scale computer models to assess the formation and development of cracks in many materials.