How do airplanes fly? An aerospace engineer explains the physics of flight

How do airplanes fly? An aerospace engineer explains the physics of flight

U.S. airlines carry more than 800 million passengers per year. Lasha Kilasonia/iStock via Getty Images Plus By Craig Merrett, Clarkson University Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com. How do airplanes fly? – Benson, age 10, Rockford, Michigan Airplane flight is one of the most significant technological achievements of the 20th […]

March 19, 2024 28

Lifestyle

One in eight people are now living with obesity

A new study released by the Lancet shows that, in 2022, more than 1 billion people in the world are now living with obesity. Worldwide, obesity among adults has more than doubled since 1990, and has quadrupled among children and adolescents (5 to 19 years of age). The data also show that 43% of adults were overweight in 2022. The study also shows that even though the rates of undernutrition have […]

March 1, 2024 14

Sport

No British gymnasts may be weighed after scathing report

British Gymnastics has introduced new safeguarding rules that will prevent coaches from weighing athletes in an effort to stamp out methods it said are "on the fringe of abuse". The rules are part of a series of policies that the governing body is introducing following the 2022 Whyte Review, which found there was "systemic" physical and emotional abuse within the sport. British Gymnastics has said it intends to go beyond […]

November 30, 2023 4