Edward Witten

As for the forces, electromagnetism and gravity we experience in everyday life. But the weak and strong forces are beyond our ordinary experience. So in physics, lots of the basic building blocks take 20th- or perhaps 21st-century equipment to explore.

If I take the theory as we have it now, literally, I would conclude that extra dimensions really exist. They're part of nature. We don't really know how big they are yet, but we hope to explore that in various ways.

While we may blame the Internet for the ease with which conspiracy theories proliferate, the net is really much more culpable for the way it connects everything to almost everything else. The hypertext link, as we used to call it, allows any fact or idea to become intimately connected with any other.