SpaceX is building experimental satellites with infrared sensors able to detect...
More about 'department of defense'
Microsoft will work with SpaceX on a network of satellites to detect nuclear launches
Dave Mosher, Business Insider US
The risk of Covid-19 on flights is 'very low' - 1 infected passenger would take 54 hours to spread it
If only one flight passenger is infected, it would take around 54 hours for others on...
Grace Dean, Business Insider US