New technology
Marvel at the mini robots that can perform complex tasks
Special mini robots, made by Chinese and German scientists, inspired by geckos and caterpillars, can be controlled remotely using ultraviolet and infrared rays.
Rays
Browse ScienceInfo articles and explainers related to Rays.
Topic archive
Articles about Rays
477 published items.
Space science
The super typhoon on Saturn has an unexpectedly perfect hexagon
A giant hexagonal storm appears on Saturn. Until now, scientists have not been able to explain.
Computer science
How to view UV index right on Android and iPhone phones
Skin exposed to excessive amounts of UV (ultraviolet) rays can lead to sunburn, sunburn, aging or even cancer. So is there a way to see the fastest and simplest UV index…
Archeology
Why do whale fin fins have five fingers that look like human hands?
Although people like to think whales are fish, they are also called whales, but they are not actually fish, but mammals.
Space science
NASA scientists discovered evidence of a parallel universe, where time runs ... backwards
Just like the movie 'The Twilight Zone', a team of NASA scientists working on Antarctica has discovered evidence of a parallel universe - where physical rules are comple…
Discover science
Secrets of confidential ink, stealth ink
After writing and drawing, I saw nothing. Reason? Use security ink, also called invisible ink.
Space science
What is galaxy X phenomenon?
Galaxy PKS 2014-55 is 800 million light-years from Earth, classified as an X-shaped galaxy because it looks like there are four rays radiating into an X-shape.
Environment
The reverse sunset beam 'dyes' the pink sky
The photographer captures impressive views when colorful rays appear on the opposite side of the Sun.
Archeology
How did the ancient fish Tiktaalik roseae walk on the ground?
Fossils of ancient fish Tiktaalik roseae from about 375 million years ago show their fins shaped like the sole of the foot to be placed on the bottom of a river or strea…
Discover science
The invention of hydropower, X-rays, Tesla should have long been recognized
Tesla is probably the great inventor that you haven't heard of in a long time.
Health
Is standing in front of the microwave safe to use?
A microwave has been a kitchen item for decades. It allows you to cook everything from frozen vegetables to packed meals in minutes.
Oceanography
Thousands of devil rays are gathering under the sea
The photographer encounters a group of about 10,000 rays on a 4-hour swim.
Space science
The black hole in the Milky Way flashes fiercely when 'eating' a star
Astronomers have observed the black hole MAXI J1820070 in the Milky Way flashing brightly while 'gobbling up' a neighboring star.
Health
What happens when DNA is damaged?
The truth is that the DNA inside one of your cells is destroyed thousands of times a day.