New technology
New detonation engine helps shape the future of supersonic aviation
In China, technological progress is happening at a breakneck pace, regardless of the field, and recently they have presented a new high-performance jet engine.
PER
Browse ScienceInfo articles and explainers related to PER.
Topic archive
Articles about PER
10,159 published items.
Discover science
Energy source from super hot 374 degree C rock underground
Scientists study super-hot rocks at depths of nearly 10km as a potential renewable energy source to replace fossil fuels.
Space science
Super Earth discovered with record density
A lead-heavy exoplanet, possibly the leftover core of a giant sphere that flew too close to its sun, has just been discovered.
Discover science
Why is the Earth's core still hot after billions of years?
Heat from planet formation, radioactive decay of some elements, and friction between layers keep the Earth's core at extremely high temperatures after 4.5 billion years.
Discover science
Why can neck and shoulder massage be deadly?
Improper neck massage will affect motor and sensory functions in the nerve-controlled area, causing paralysis, spinal cord damage and death.
Discover science
If you put babies together without anyone teaching them to speak, will a new language emerge?
Many people have criticized this experiment, saying that it is inhumane, uses children to satisfy baseless ideas, and causes great harm to them.
Oceanography
Iceland grants permission to kill 426 whales
Iceland grants five-year permits for companies to hunt hundreds of whales in its waters each year.
Health
Experts shocked by discovery of extremely toxic chemicals in kale
Scientists have discovered a toxic chemical that can cause cancer in kale - a vegetable known to have many benefits for human health.
Discover science
China and Russia develop extreme cold-resistant material that can maintain mechanical properties at -150°C
The material is expected to be ideal for making mechanical parts and structures that operate in extremely cold conditions.
Discover science
China has successfully built the first quantum engine using quantum entanglement.
Instead of using heat-generating energy like traditional engines, the new engine uses a unique property of quantum.
Discover science
Experiment playing 17.5 Hz sound makes listeners scared
In 2003, scientists conducted a strange experiment with 750 volunteers in the form of a concert that caused fear and anxiety.
1001 mystery
Revealing the secret of the age of the Nebra disc depicting the oldest universe
Dating back at least 3,600 years, the Nebra Sky Disk is considered the oldest astronomical map of cosmic phenomena.
Archeology
Ruins of an ancient temple dating back to the Ptolemaic period discovered in Egypt
Carvings on the bell tower suggest the temple dates from the reign of King Ptolemy VIII with some inscriptions possibly referring to his wife: Queen Cleopatra III.
Archeology
280 million year old 'alien' fossil discovered in Western Australia
This 280 million year old fossil has such a strange and confusing shape that many people, upon first glance, will definitely think it is an alien fossil.
Archeology
Peru announces crocodile fossil dating back more than 10 million years
Fossils of an ancient crocodile species have been discovered in Peru. Paleontologists believe the fossils date back more than 10 million years.