The (Stephen) Hawking Paradox - scepticism

A discussion on the life of Stephen Hawking and the topic of information loss in a black hole.

The paradox of choice - Barry Schwartz

http://www.ted.com Psychologist Barry Schwartz takes aim at a central tenet of western societies: freedom of choice. In Schwartz's estimation, choice has made us not freer but more paralyzed, not happier but more dissatisfied.

Ontological Paradox

The bootstrap paradox is a paradox of time travel in which information or objects can exist without having been created. After information or an object is sent back in time, it is recovered in the present and becomes the very object/information that was initially brought back in time in the first place. Numerous science fiction stories are based on this paradox, which has also been the subject of serious physics articles.

Relativity - The Train in a Tunnel Paradox

Relativity - The Train Paradox (Time Dilation and Length Contraction). This is a famous example of the strangeness of relativity. Demonstrates just how non-intuitive reality can be.

Described here by Professor Richard Muller of the University California, Berkeley. Taken from Lecture 22 of the spring 2006 webcasts of Physics For Future Presidents. Also known as Descriptive Introduction to Physics. Empahsis is on conceptual understanding, rather than mathematics.



Full lecture: http://www.youtube.com/watch?v=nNgzqpKZwhE