SK Telecom: sound wave to repel mosquitoes
Your sleep is disturbed by the mosquitoes every night? If you are living in South Korea, this annoying thing (probably) won’t happen again. SK Telecom–the largest operator in the country–offers new way to banish little enemy. An ultra sound wave can be downloaded and–although cannot be heard by human being–will repel mosquitoes in 1 meter [...]
