China’s 3-nm chip progress; how much sex couples should have: 5 weekend reads you missed Chinese researchers have outlined a path to producing 3-nm chips using older lithography tools, according to a South China Morning Post weekend roundup. The roundup also covered US President Donald Trump's hosting plans for a visit by Chinese President Xi Jinping and included a story on how much sex couples should have. Advertisement China’s 3-nm chip progress; how much sex couples should have: 5 weekend reads you missed From an alternative way to making 3-nm chips to Trump’s hosting plans for Xi’s visit, here are five stories you may have missed over the weekend 1-MIN READ1-MIN Listen We have put together stories from our coverage last weekend to help you stay informed about news across Asia and beyond. If you would like to see more of our reporting, please consider subscribing . 1. Chinese researchers plot path to 3-nm chips using older lithography tools https://www.scmp.com/tech/tech-war/article/3368042/china-makes-progress-3-nm-chips-without-advanced-lithography-tools?module=inline&pgtype=article Select Voice Select Speed 1x AI-generated voice