Disco-ball sail propelled by laser could fly to a nearby star
Disco-dancing towards the starsChristian Baecke/EyeEm/GettyBy Timothy RevellCone-shaped sails are so last year. If we really want to send probes outside our solar system, spherical sails may be the way to go. Earlier this year, billionaire Yuri Milner announced Breakthrough Starshot, an ambitious plan to accelerate tiny probes through space at a fifth...
I regard the brain as a computer which will stop working when its component fail. There is no heaven or afterlife for broken-down computers. That is a fairy story for people afraid of the dark