New technology
China aims for laser submarines that move at the speed of sound
China seems to be charting new horizons by developing submarines powered by laser technology.
Sound
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Articles about Sound
1,057 published items.
Discover science
How did ancient people communicate with each other?
Today, we can connect with each other everywhere within seconds and access almost limitless amounts of information, through many advanced tools.
Animal world
Tiny frogs make ultrasonic sounds that exceed human hearing
To survive against stronger enemies, leaf frogs emit ultrasonic calls - sounds with frequencies exceeding the maximum frequency audible to the human ear.
Discover science
Can snoring people hear their own snoring?
Do people who snore in their sleep not hear their own snoring? Scientists have sought the answer.
Oceanography
Researchers learn the language of... whales and sperm whales
For the first time in the world, researchers had a 'conversation' with a whale. Now their goal is to try to find out what it's actually saying.
Discover science
Why can some deserts make strange sounds?
In some deserts around the world, sand dunes emit a loud, deep rumbling sound that can last up to 15 minutes and can be heard up to 6 miles (10km) away, this sometimes h…
Discover science
At the most remote point on Earth, scientists heard a strange sound with an extremely low frequency
This is one of the loudest underwater sounds ever recorded.
Science invention
Optical phone - device that transmits sound using light
Inventor Alexander Graham Bell had high hopes for optical telephones, envisioning that wireless communications would replace the tangled network of telephone wires.
Space science
How science hears the creepy sound of a black hole
Contrary to the notion that the universe cannot have sound because sound waves cannot travel in a vacuum, we can indeed
Environment
The dangers of 'fake' autumn in England
On the streets of England, the sound of dry leaves crunching underfoot and the red trees can make many people think that autumn is coming soon.
Science story
If sound is as fast as the speed of light, what happens?
If sound is as fast as the speed of light, it can lead to unexpected disaster.
Animal world
Alpha male wolves do not exist in the wild!
It sounds appealing, but this is just a concept that many people impose on themselves to pretend that they are special.
Oceanography
Undersea fiber optic cables can be used to record whales and see what they're doing
The researchers are looking at using fiber optic cables for additional testing.
Animal world
Scientists are surprised because penguins know how to 'fake' voices
Some species of penguins have the ability to change their voices to resemble their mates in order to seduce them. Previously, this ability was only found in some higher…
AI - Artificial intelligence
AI is now so smart that it can diagnose urinary diseases by listening to the sound of urine
An AI artificial intelligence algorithm can listen to the patient's urinating sounds, to effectively and successfully identify the