快猫短视频

鈥淲HAT is time?鈥� wonders the fifth-century philosopher Augustine of Hippo, hand on chin, as he peers intently from the page. 鈥淚f no one asks me, I know. But if I wanted to explain it to one who asks me, I plainly do not know.鈥� So begins a breathless ride through the philosophy and physics of time.

Illustrations and cartoon characters, from aliens to dancing cows, bring this relaunched guide to life, addressing questions such as: can time flow backwards? And, how could we tell if time froze?

It is mind-bending territory, but notables such as Albert Einstein and Stephen Hawking are on hand to make sense of it all, explaining concepts such as wormholes and quantum gravity in clear, bite-sized chunks 鈥� and arguing with each other via snappy speech bubbles.

It appears lightweight, but this book is hiding some seriously heavyweight ideas.