Mystery of the wheelie suitcase: how gender stereotypes held back the history of invention | Life and style

[ad_1] In 1970 an American luggage executive unscrewed four castors from a wardrobe and fixed them to a suitcase. Then he put a strap on his contraption and trotted it gleefully around his house. This was how Bernard Sadow invented the world’s first rolling suitcase. It happened roughly 5,000 years after the invention of the … Read more

Millions of electric car batteries will retire in the next decade. What happens to them? | Environment

[ad_1] A tsunami of electric vehicles is expected in rich countries, as car companies and governments pledge to ramp up their numbers – there are predicted be 145m on the roads by 2030. But while electric vehicles can play an important role in reducing emissions, they also contain a potential environmental timebomb: their batteries. By … Read more