Mr Gates is the principal owner of TerraPower, which investigates ways to improve emission-free energy supplies using small nuclear reactors.
盖茨先生是特拉派沃公司的主要持有人，该公司研究使用小型核反应器来提高无放射能源的供给。
2
Messier 27 (M27) is an excellent example of a gaseous emission nebula created as a sun-like star runs out of nuclear fuel in its core.
Messier 27 (M27)是个气体发射星云的典型例子，它是由于类似太阳的恒星耗尽了其核心的核燃料而产生的。
3
One answer:stretch the average life of nuclear plants, which are emission-free, from theagreed 32 years to a scientifically acceptable 40 (in America their life isalready being stretched to 60 years).