Our first sight in the new trailer is what's called a "tachyon amplifier", which, as any Star Trek fan can tell you (and there are lots more of those suddenly after this weekend) means it has to do with time and space. In real-life physics (or as real life as most experimental physics gets) it's a particle that travels faster than light. Still awake? Good...

According to the voice-over - which happens to be the machine's inventor, Dr Rick Marshall (Will Ferrell), "there's no telling what we may discover with it.."