Nick Valencia reports on acoustic levitation developed by AcoustoFab.
回声定位叫声通常为超声波——频率范围在20赫兹至200千赫兹之间,而人类的正常听力上限通常约为20千赫兹。即便如此,我们仍能听到某些蝙蝠(例如斑点蝠)发出的回声定位声。这些噪音类似于两颗圆形卵石相互撞击所产生的声音。总体而言,回声定位叫声的特征体现于 ...
Researchers in Australia have developed a new type of 3D bioprinter that uses sound waves to coax cells toward a desired ...
EADaily, November 23rd, 2024. Astronomers report that one of the strongest shock waves in history, which arose from the ...
When archaeologists blew into these creepy kazoos, they emitted an unearthly, banshee-like shriek similar to a haunted ...
MIT researchers have developed a silk fabric that suppresses sound using vibrations, offering two techniques: canceling noise ...
For homeowners worried about snakes invading their property, ultrasonic snake repellents seem like an easy and harmless ...
Further proving he's the "King of Country," George Strait is helping raise money for musicians struggling financially.