The energy of any system is ultimately derived from the sun, and is returned to the universe in some form or other.
任何系统的能量最终都来源于太阳,并以某种形式返回到宇宙中。
我对事物的边缘感兴趣,在那里它们相遇并重叠。
The hardest thing to do is to accept that you are not the hero of your own story.
Drones are not toys, but tools to transform industries.