Technology News

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A new research has suggested that a chemical reaction in rocks in landslides may be responsible for starting wildfires. ANI

Now, a project to encourage visually-impaired pupils to take up computer science
The U.S. National Science Fioundation (NSF) is funding an initiative at the Rochester Institute of Technology (RIT) that has been designed to help prepare visually impaired middle school and high school students participate in computer science programs at the collegiate level. ANI

New invention to neutralize hurricanes with help from supersonic jet
Scientists have put forward a patent application about developing a supersonic hurricane neutralizer, which can put a spanner in the atmospheric works by flying supersonic jet aircraft in concentric circles around a hurricanes eye, the calm area around which the storm rotates. ANI

Soon, personal sound system speakers that wont bother bystanders

You may soon be able to listen to your favourite music over loudspeakers without annoying people standing nearby, for researchers at the Korea Advanced Institute of Science and Technology have invented a sound system, which focuses sound waves from several loudspeakers onto a listening zone.

Washington, Dec 25 : You may soon be able to listen to your favourite music over loudspeakers without annoying people standing nearby, for researchers at the Korea Advanced Institute of Science and Technology have invented a sound system, which focuses sound waves from several loudspeakers onto a listening zone.

The 'personal sound system' was devised by researcher Chan-Hui Lee and team at the Korea Advanced Institute of Science and Technology.

"You may soon be able to enjoy audio without those uncomfortable earphones or headsets and not bother your neighbours," Live Science quoted Lee, as saying.

With the system, Lee and his colleagues envision that the sound waves would be much less audible outside the listening zone.

The scientists devised a simple prototype involving half-inch speakers, nine of which were arranged in a row 13 inches long.

They found that there was a 20-decibel or more difference in sound intensity between the listening zone and outside it, the difference between, for instance, a normal conversation and a whisper.

The researchers suggested that personal sound systems could find use with laptops and televisions.

"But the ultimate goal are mobile phones and PDA systems," Lee said.

To fit personal sound systems on portable devices such as mobile phones, obviously smaller speakers are needed, he added.

The findings have been presented at the Acoustical Society of America meeting in New Orleans.

ANI