Discover science
Is the idea of using the Sun as a signal amplifier in 'The Three-Body Problem' really feasible?
In the book
Signal
Browse ScienceInfo articles and explainers related to Signal.
Topic archive
Articles about Signal
767 published items.
Space science
NASA robots continuously catch 'unexpected life signals'
Methane, one of the signs that suggests alien life, was found in an absurd way by the Curiosity robot.
Discover science
Human instinct is to go in circles
In the absence of external directional signals, lost people usually do not go more than 100 meters from their starting point, no matter how long they travel.
Space science
NASA's fight to save a spacecraft 24 billion kilometers away
For about 5 months, experts tried every way to fix the error and restore communication for Voyager 1, a ship that had been operating for nearly half a century.
Health
Chinese scientists built a 3D model of a 2-3 week old human embryo
Scientists have studied the activity of signaling pathways along the embryonic axis to understand more about miscarriages and embryonic disorders in the early stages of…
Computer science
Google Maps is about to have a super useful new feature, so you no longer have to worry about getting lost even if you go into an area with no signal
With this new feature, users will always know their location, without having to worry about getting lost when losing mobile networks or going into areas with no signal.
Environment
How does the weather change from El Nino to La Nina?
El Nino will likely recede soon, signaling a rapid transition to the opposite climate and ocean pattern, La Nina.
Space science
The expansion rate of the universe is slowing down compared to a few billion years ago
Signals of the rate of change in the universe were detected by the Dark Energy Spectroscopy Instrument (DESI), located atop the telescope at Kitt Peak National Observato…
Space science
The Australian Observatory caught the most unusual radio signal
A dead world located 8,100 light years away from us suddenly emitted a never-before-seen radio signal after more than 10 years of disappearance.
New technology
Waterproof electronic glove design
Researchers have designed waterproof gloves equipped with sensors that can convert hand gestures into messages, helping divers communicate better with 99.8% accuracy.
Scientific works
SKAO telescope - a solution to help humanity search for extraterrestrial life
This telescope can help humanity promote the search for extraterrestrial life.
Space science
NASA spacecraft reveals the cause of radio signal loss in the Pacific Ocean
A very powerful explosion ionized the upper part of the Earth's atmosphere, leading to disruption of shortwave radio signals.
Space science
NASA received a communication signal from a spacecraft 24 billion kilometers away
After a long period of communication problems with Voyager 1, NASA for the first time received a meaningful signal from a spacecraft flying in interstellar space.
Biology
How do insects find pollen?
Flowers have many ways to signal to insects which flowers have pollen, for example by color, scent and even changes in electrical current.
Biology
Explain how trees communicate with each other when they are in danger
Scientists have discovered that when faced with danger such as pests, plants have the ability to spread a volatile compound around to warn healthy plants to activate def…