The Secret of Time

What then is time? If no one asks me, I know:
if I wish to explain it to one that asketh, I know not.
Augustinus, Confessiones, 11. Buch, 14. Kapitel
What is it all about?
Origin of this site
To the videos
Physical background
(1) (2)
Further reading
[auf deutsch]

With five examples you can understand here the thoughts physicists developed to approach this puzzle. They probably will appear quite strange to you, and you will have to give yourself a bit of time to think about them.

plasticine balllibraryhot coffeeinkcandle

Now return to the videos.
Try and find relations.

If you want to dig deeper, read on about "Entropy".