Environment
Gravity signal can detect earthquakes at the speed of light
In fact, this method started to appear 4-5 years ago, however, a new algorithm set up to be deployed in Japan can identify earthquakes faster and more reliably.
Light
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Topic archive
Articles about Light
3,286 published items.
Science story
Why does wood catch fire and metal doesn't?
When lighting a fire, the sticks underneath ignite while the pot of water - made of metal with strong chemical bonds - remains unaffected.
Environment
Strangely the snow turns watermelon color and sweet like sugar in summer
During summer, some areas of ice and snow cover a light to dark red color, creating a fancy sight known as 'watermelon snow'.
Funny corner
Why do many museums and aquariums ban tourists from taking photos?
It is easy to see many places to visit such as museums, aquariums, historical sites with signs prohibiting visitors from filming or taking pictures with flash.
Science story
Can anything travel faster than light?
Light has properties like both a particle and a wave, able to travel at speeds of up to about 300,000 kilometers per second in a vacuum.
New technology
'Luminous' membrane sensor technology can measure blood oxygen
Newly developed luminescent sensor technology implanted under the skin does this, and promises to be used to easily measure other levels of substances in the blood.
Science story
Why is there a phenomenon of ships floating on the sea?
Many times seafarers encounter the phenomenon of giant ships floating in the air, but this is only an optical illusion.
Space science
Successfully photographed a black hole in the center of the Milky Way
Astronomers on the evening of May 12 released the first image of the supermassive black hole Sagittarius A* at the center of our galaxy.
Space science
The truth about the controversial Mars-like red sky
Video recorded by locals from the port city of Zhoushan, China, shows the sky turning crimson under a thick layer of fog.
Space science
In the universe there is a kind of 'time machine' that can bend both space and time
That is the claim of an international team of scientists when studying supernova 2014C, a type of cosmic monster capable of
Oceanography
Surprised to meet rare copper scale arowana off the coast of California
This is the rarest of all arowana species, and scientists have previously only found live individuals a handful of times.
Animal world
The truth about 'black panthers' - Don't be fooled, there are no black panthers!
Imagine you are walking through the jungle in Southwest China when suddenly you come across a large dark patch, like a shadow, standing still.
Science story
Ultra-precise atomic optical clock redefines the length of a second
The more detailed detection of small changes in the flow of time could help scientists uncover new physical evidence.
Space science
The meteor shower is about to peak at 50 streaks of light per hour
Astronomy buffs around the world will get the chance to watch the Eta Aquarids meteor shower peak mid-week.
Space science
3D-printed rocket engine generates 10 tons of thrust
The E-2, a 3D-printed rocket engine developed by the US private space company Launcher Light, passes its first maximum thrust test.