The best time to plant a tree was twenty years ago. The second best time is now.
La literatura es el arte de la decepción controlada.
For poise, walk with the knowledge that you never walk alone.
The energy transition is not just about switching fuels; it's about transforming entire systems and mindsets.
写作是一种自由的行为,但也是一种责任。
制造链式反应机器的基本点当然是确保每次裂变产生一定数量的中子,其中一些中子将再次产生裂变。