预测２１世纪科技大事信息精荟部分美日科学家对２１世纪的科技大事做了如下预测：△在永久性太空站无地心引力的条件下制造合金和药物。△多功能机器人问世。它可进行烹调、洗涤、清洁、看护等工作，行动不便的老人或残疾人可让机器人来护理。△生物工程技术生产的疫苗，... Some predictors of science and technology in the 21st century are as follows: △ Manufacture of alloys and drugs under gravitation-free conditions at a permanent space station. △ multi-function robot come out. It can be cooking, washing, cleaning, nursing and other work, the elderly or disabled people with disabilities can allow robots to care. △ bio-engineering technology to produce vaccines, ...