New ultrasonic speaker prototype lets people hear you whisper from 30 meters away

This blog showcases articles / posts posted by other people. It shows what people do to make a difference. It displays the talents of people such as photography, writing, blogging and various other talents. Random Repeat entertains through videos and adds humour through jokes and funny gifs. It also educates with infographics, etc., and offers advice like DIY stuff and covers topics like health and motivation. It also gives a chance for people to be heard or seen again. Many times people put in a lot of effort to make their post or work stand out, but it rarely gets noticed. Random Repeat helps to get it noticed, if only a little bit more. View all posts by Random Repeat