We're Live Bangla Monday, September 20, 2021
Stephen Chen

Stephen Chen

2 Posts

Chinese engineers say they have found flaws in the latest...

The XQ-58A Valkyrie demonstrator completed its first flight in 2019. Photo: Handout Chinese aviation engineers say they have worked out some crit...

Coronavirus can travel twice as far as official ‘safe dist...

The coronavirus that causes Covid-19 can linger in the air for at least 30 minutes and travel up to 4.5 metres – further than the “safe di...