Buzz off


Issue: "Public-school reform," July 26, 2003

Cell phones offer countless bells and whistles, but South Korea's SK Telecom offers one of the most unique: a ring tone said to repel mosquitoes. For about $250, customers can download a sound file that is inaudible to human ears but not to bugs. The company says in tests it disturbed mosquitoes within a three-foot range. Customers play the sound by pressing buttons on their mobile phones. Generating the tone drains phone batteries as would a regular ring tone-but users may prefer that to mosquitoes draining blood.

We see you’ve been enjoying the content on our exclusive member website. Ready to get unlimited access to all of WORLD’s member content?
Get your risk-free, 30-Day FREE Trial Membership right now.
(Don’t worry. It only takes a sec—and you don’t have to give us payment information right now.)

Get your risk-free, 30-Day FREE Trial Membership right now.


You must be a WORLD member to post comments.

    Keep Reading


    Dire strait

    Dissidents from China can find physical safety in Taiwan…


    Secret burden

    Movie delves deeply into the problems with human vengeance