Graphene light sail (IMAGE) SCALE Nanotech Caption Graphene light sail of 3mm in diameter with a mass of 0.25 mg 'sets sail' when pointed with a 1W laser. The prototype has a graphene micromembrane design that reduces the overall mass while keeping functional the complete area of the sail. Credit Dr. Santiago Jose Cartamil-Bueno Usage Restrictions CC BY 4.0 You are free to: Share -- copy and redistribute the material in any medium or format Adapt -- remix, transform, and build upon the material for any purpose, even commercially. This license is acceptable for Free Cultural Works. The licensor cannot revoke these freedoms as long as you follow the license terms. Under the following terms: Attribution -- You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. No additional restrictions -- You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.