A high-frequency sonic alarm created to stop troublesome teens from loitering in retail areas has been repurposed as a dance track and a mobile phone ringtone:
Merthyr Tydfil-based Compound Security released the "Mosquito" ringtone as a way of letting teenagers hear their phones ringing without adults knowing. It was developed because adults lose the ability to hear high-pitched sound.
But now the sound is being used in a dance track, Buzzin', with secret melodies only young ears can hear. The tune was developed after the success of the company's ringtone which was released in June. (...)
A condition called presbycusis, or ageing ear, means that by the time most people reach the age of 25, they cannot hear much above a frequency of 13 or 14 kilohertz.
Senator and 2020 US presidential candidate Bernie Sanders’ “High-Speed Internet For All” plan, unveiled today, promises $150 billion to build publicly owned broadband networks — and to break the chokehold that Comcast, Verizon, and AT&T have on Americans’ access to information and communication.
Every Christmas list has names you dread buying for. But hold up: Before you wave the white flag and get them yet another gift card, scroll down a few. We’ve got 15 items that run the gamut from stylish old-school lighters to cutting-edge audio tech, enough variety to please any Scrooge. And the best part? […]
We’re living in the age of Big Data. As the driving force behind everything from Google’s famed algorithms to self-driving cars, massive sets of complex data can be found at the heart of some of today’s most exciting and important technologies. The Ultimate SQL Bootcamp Certification Bundle will give you the skills and tools you […]
So you missed Black Friday and Cyber Monday? Well, there’s one more holiday milestone coming up: Green Monday, on Dec. 16. It’s one of the busiest online shopping days for the simple reason that it will be 10 days before Christmas, which is when last-minute shoppers start to stress. Our advice? Don’t wait for that […]