We're Live Bangla Thursday, September 29, 2022
Stephen Chen

Stephen Chen

3 Posts

What are hypersonic weapons, and why is there a race betwe...

China’s DF-17 medium-range ballistic missile, which is equipped with a hypersonic glide vehicle, was revealed during a military parade in 2019...

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...