Laser Sail for Future Alpha Centauri Mission Now Costs $25 Million, Not $200 Billion
Laser pushed sails—ultrathin need reflective structures that are square meters but weight a gram. If the sails and the payload each weigh a gram, such a spacecraft could accelerate to one fifth of the speed of light. This would be 200 times faster than the Voyager probe. Richard Norte of Delft University of Technology, Netherlands, ...
Link :
https://www.nextbigfuture.com/2025/06/optical-lithography-breakthrough-makes-laser-sails-9000-times-lower-cost.html
Link :
https://www.nextbigfuture.com/2025/06/optical-lithography-breakthrough-makes-laser-sails-9000-times-lower-cost.html
