“Speeds like This specific can carry...”
Title is incoherent, too.
Not to worry. Neither yo or I will live long enough to see this thing in action.
I’m always amazed how some blog can thoroughly mangle the original content.
Check out the original at The Daily Star Sunday:
https://www.dailystar.co.uk/news/world-news/728251/nasa-space-light-speed-caltech-solar-sail-nanomaterial-silica-silicon-technology
How would these solar sails tack. Thy would need a keel with something to offer some resistance.