NASA’s Boomerang-Like Aircraft, Kid Athletes Excel in Class, Citrus and Skin Cancer
Boomerang-Like Aircraft Could Help NASA Find Landing Sites on Mars NASA has built a prototype of what it hopes to be the first aircraft to fly on Mars sometime in the 2020’s. Shaped like a boomerang, the flying wing Prandtl-m will be rather small, with a 61 cm wingspan, and weighing only about 454 grams. […]
Humans’ Bat-Like Sonar Could Help the Blind
Humans have built-in biological sonar similar to bats and dolphins that could lead to a better quality of life for blind people and the visually impaired. The international study suggests people have the ability to use echoes, or echolocation, a skill some animals use to detect and find objects. Developing this ability could promote increased […]