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Discover ancient clocks that measure time using water
Before the invention of electronic devices, people used to tell time using water clocks, devices consisting of containers with lines and small drainage holes.
Sun
Browse ScienceInfo articles and explainers related to Sun.
Topic archive
Articles about Sun
2,186 published items.
Discover science
Predict when humans may become extinct
A mass extinction of mammals, including humans, could occur in 250 million years due to climate change.
Discover science
Can tsunamis occur in lakes?
Tsunamis not only occur in the ocean but can also occur in lakes when a large volume of water changes position suddenly.
Space science
NASA postpones the launch of the manned Starliner spacecraft
Before the decision to postpone the launch of the Starliner spacecraft was made, astronauts Butch Wilmore and Suni Williams were already sitting in the driver's seat.
Scientific works
French artificial sun sets plasma record
A reactor in southern France creates and maintains hot plasma of 50 million degrees Celsius for 6 minutes continuously, reaching an important milestone that helps make f…
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Why will the Earth never be 'swallowed' if one day the Sun turns into a black hole?
According to scientists' calculations, the scary hypothesis may happen.
Science invention
Seven common items were originally invented for military use
The difficulties of wartime led to the birth of many items. After the war, some inventions of that time became common everyday objects in civilian life.
Discover science
Why do pilots have to wear sunglasses when flying?
To ensure perfect vision, pilots must wear special sunglasses when flying.
Space science
Has Jupiter thrown another planet towards Earth?
The instability of the most giant planet in the solar system indirectly caused the Earth to give birth to the Moon.
Animal world
The snake is harmless but is often misunderstood as extremely poisonous in Vietnam
A small-sized, completely harmless snake distributed in Vietnam, but often injured
Environment
The Northeast monsoon is about to flood the North after a series of peak hot days
According to weather forecasts, after the April 30 holiday, the North will welcome a weak cold air mass moving down from mainland China. The weather will change, it will…
Environment
The extreme heat is exceeding the limits of human tolerance
Events that were once unimaginable are becoming common as the Earth's temperature continues to increase, surpassing even experts' predictions.
Environment
During the holiday from April 30 to May 1, the whole country is hot like never before in the past 10 years
Statistics from the National Center for Hydrometeorological Forecasting show that in the past 10 years, there has never been a year when all three regions, North - Centr…
Archeology
An Indian research team found a fossil that could be the largest snake on the planet
A group of researchers found fossils of giant ancient snakes that could have been longer than a school bus and weighed a ton.