search slide
search slide
pages bottom
Currently Browsing: Results for Tag "waves"

An ‘acoustic prism’ can split sound the way a regular prism splits light

An ‘acoustic prism’ can split sound the way a regular prism splits light Here’s a new invention that, while potentially useful, is even more interesting as an illustration of the nature of sound: the acoustic prism.Now, researchers have created a similar device for sound, which passively and naturally splits sounds into their component frequencies.

With MIT’s new imaging tech, now you can judge a book right through the cover

With MIT’s new imaging tech, now you can judge a book right through the cover Ten years ago, MIT researchers demonstrated they could use terahertz imaging to read a letter inside a sealed FedEx envelope.It starts out using terahertz radiation, which is a band of EM radiation that has lower energy and longer wavelength than the visible and IR bands.