Researchers at Georgia Tech have developed an ultra-low-cost hearing aid, for which all the components cost in total less than $1. Designed to be worn by people with age-related hearing loss, the technology provides much of the functionality of conventional hearing aids, but at a tiny fraction of the price. The device may represent a lifeline for hundreds of millions of people worldwide who need a hearing aid but can’t afford one. Age-related hearing loss is very common, and it…
Arriving as quickly as possible to the site of a medical emergency is a critical goal for any paramedic. It may be easy enough in urban and even rural areas, but when someone is stuck high up a mountain there are often no expedient options. Drones may offer help in certain cases, such as delivering external defibrillators for bystanders to use, but nothing can replace having a professional medic onsite. England’s Great North Air Ambulance Service (GNAAS), which operates in areas where…
