13-Year-Old Boy Invents Burglar-Deterring, Post Office-Friendly Doorbell – Business Insider
 Daily Mail |
13-Year-Old Boy Invents Burglar-Deterring, Post Office-Friendly Doorbell
Business Insider But Laurence's inspiration for the Smart Bell actually came from his mother, who was constantly annoyed at having to go to the Post Office to collect packages from failed delivery attempts. If no one is home, you can still direct the postman to leave … Doorbell that tricks burglars into thinking you're home invented by schoolboy … UK Boy Invents Smart Doorbell Schoolboy, 13, invents door bell to trick burglars |
More: continued here