New technology
The 'reverse' design of the new lithium-ion battery: a hot charge at 60 degrees Celsius for only 10 minutes is full
The team is still trying to go one step further, trying to see if they can fully charge the battery in just 5 minutes.
Hot
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Articles about Hot
1,088 published items.
Discover science
Why does the shower curtain stick to you?
What could be better than cooling off with cool showers in the bathroom on hot days, except for the annoying curtain that sticks to you when you get out of the shower. W…
Discover science
Why is water wet, and fire hot?
This may be a silly question but why is the water wet? All previous answers about water did not explain why the water was wet. We simply understand that water is natural…
Space science
4 galaxy clusters collide 3 billion light-years from Earth
4 clusters of galaxies, each hundreds of trillion times the mass of the Sun, will gradually merge into a giant structure.
Environment
Plastic straws replaced with pasta in Italy
Some restaurants in Italy come up with creative ideas, when replacing plastic straws with pasta to protect the environment.
New technology
Successful fabrication of the gel can prevent forest fires
Usually, only when forest fires have spread do firefighters be present to put out the fire or create a belt to minimize damage. A team of researchers sought to halt that…
Space science
Shocking truth: Many galaxies are being hunted
According to a Carbon Monoxide Survey project (VERTICO), experts are investigating in detail why galaxies in the constellation Virgo are killed by their environment.
Discover science
The 'deadly' weapon nearly destroyed Alexander the Great's army
The great ideas of Alexander the Great's army were invincible before every battle and never trembled at any kind of attack, but only because of the small grains of sand…
Health
5 groups of people should not eat rambutan lest disease, procession into the body
Although it is very delicious, nutritious, the following groups of subjects should not eat rambutan as it can threaten health and make the situation worse.
Discover science
Why does hot water thermos retain heat?
A thermos bottle is a household appliance used to store boiling or warm water.
Discover science
7 mysterious death holes on Earth
Many mysterious lands in the world are thought to be the gateway to the afterlife, from a permanent fire pit in Turkmenistan to the sinking holes in Mexico.
Oceanography
The temperature of the oceans billions of years ago is not hotter than today
Some geologists believe that ancient ocean temperatures were extremely hot (at least 70 degrees Celsius), while some thought it was close to today's heat (about 15 degre…
Discover science
Why is the air rising even more cold?
We know that hot air is lighter and floats up, so why is it so cold on the top of the mountain?
Animal world
Heat waves heat up water and cause salmon to die in Alaska
Alaska is experiencing an unprecedented wave of sunshine this summer, causing salmon to die massively due to the unbearable hot water.
Environment
Sahara dust clouds 'calm down' the Atlantic storms
Dust clouds significantly block the formation and intensification of tropical tornadoes, because they create an opposing atmosphere in the presence of hot and dry air.