91av

What makes the universe tick?

19 November 2008

If you want to understand the universe be prepared to get your moments in a muddle, advises Michael Brooks

Is time an illusion?

16 January 2008

The greatest trick the universe ever pulled was convincing us that time exists. Amanda Gefter breaks the spell

You are made of space-time

9 August 2006

Physical particles may seem very different from the space-time they inhabit, but what if the two are one and the same thing? 91av investigates

Cosmic trigger

8 October 2004

We may never know what kicked the universe into being, but there are certainly some ingenious suggestions out there

The world turned inside out

20 March 2004

Was the big bang the start of everything? Far from it, reports Amanda Gefter, it may merely have been a portal from a looking-glass universe

The hollow universe

26 April 2002

You're holding a magazine. It feels solid; it seems to have some kind of independent existence in space. Ditto the objects around you—perhaps a cup of coffee, a computer. They all seem real and out there somewhere. But it's all an illusion. Those su

Beyond space and time

16 May 1997