World News in Brief: Global trade rebound forecast, e-waste mountain grows, 7,000 preventable TB deaths in Europe during COVID-19

adminMarch 21, 2024September 19, 202407 mins

Last year saw a three per cent contraction, equalling roughly $1 trillion, compared to the record high of $32 trillion in 2022. Despite this decline, the services sector showed resilience with a $500 billion (eight per cent) increase from the previous year, while trade in goods experienced a $1.3 trillion, or five per cent, decline compared…

With the help of graphene, it is possible to extract gold from e-waste

adminSeptember 5, 2022September 9, 202403 mins

Millions of tons of electronic waste (e-waste) are collected every year around the world, which also contains gold, but now with the help of graphene, gold can be extracted in an environmentally friendly way. Previously, this task was difficult and time-consuming. Gold is commonly used in electronic head-cutters and processors, but no suitable method of…