New technology
Trains that run on railways in Japan start operating
The new Dual Bus (DMV) will start operating in Japan on December 25, and can run at 80 km/h in rail mode.
PER
Browse ScienceInfo articles and explainers related to PER.
Topic archive
Articles about PER
10,159 published items.
New technology
Successfully made super-hard diamond glass by compressing a 'carbon soccer ball'
Diamond glass material has great potential in electronics manufacturing.
Oceanography
Rare white sperm whale discovered
The sperm whale, most likely with albinism, swam near the surface of the water not far from an oil tanker.
Animal world
The villagers discovered a large earthen cave near the corn field, even the experts were surprised when they dug it up
In a village in the Indian state of Uttar Pradesh, an expert was invited by the villagers when they discovered a huge cave near a cornfield.
History
In ancient times, why did the courtiers call the Emperor 'Your Majesty'?
In many historical dramas, we often see the ministers when meeting the Emperor calling themselves 'His Majesty'. So how did the word 'Your Majesty' become the title of t…
Scientific application
Make a plastic cup from salmon sperm
Scientists have created a plastic cup from salmon sperm and vegetable oil, environmentally friendly, biodegradable.
AI - Artificial intelligence
Computer expert: 'AI weapon' can wipe out humanity
Professor Stuart Russell, a computer expert, warns of risks from artificial intelligence (AI) machines and thinks they should be banned.
New technology
Small camera with a grain of salt takes super sharp color photos
Despite its ultra-small size, the 0.5mm wide camera can capture color images at the same quality as conventional lenses 500,000 times larger.
Health
11 weird experiences that happen while you sleep
Everyone wants to have a good night's sleep after a hard day's work. But surely everyone has experienced a strange feeling while sleeping
Archeology
Discovering a thousand-year-old mummy, archaeologists were stunned with a strange posture, the more they looked, the more scared they became
A mummy estimated to be between 800 and 1,200 years old has been unearthed by archaeologists in Peru at a site near the country's capital, Lima.
Archeology
Drain the pond water, discover the monstrous tomb below: The scene inside haunts the expert
When archaeologists arrived at the scene, they discovered that it was the top of an ancient tomb made of green bricks! Experts quickly arrived on the scene.
Scientific application
Synthetic plastic from salmon sperm and vegetable oil: Easier to recycle and decompose than regular plastic
Plastic plays an important role in modern life as well as the production lines of essential things for life, but recycling plastic is expensive, and plastic itself can c…
Scientific application
Super hard diamond glass with highest thermal conductivity
Experts use pressure to transform a carbon material into a new type of glass that has the potential to be mass-produced with a wide range of applications.
Discover science
Found a diamond nested in a super rare 1,400 million year old diamond
A mining company has discovered a diamond within a super-rare diamond in western Australia, estimated to be thousands of millions of years old.
Archeology
Excavating Cao Cao's grave, seeing a weapon lost for thousands of years, experts say: Treasure!
Experts excavating the tomb believed to belong to Cao Cao have found a strange weapon, which has been lost for thousands of years.