time machine

Forget the stereotype that Asian kids as shy and reserved. I was surprised myself at the level of enthusiastic participation from across the classroom: whilst I was expecting a few outgoing students to speak up for their friends, the majority of the cohort had raised a question, and even two or three at times.
Melinda Gates raised a timely alarm this week (Financial Times, Comment, 9th Nov 2015, "Investing in our families is a vital
The surprising answer is: nobody knows. Physicists, despite trying for almost a century to rule it out, have so far failed. The known laws of physics do not forbid time travel. In fact, they appear to make it easy - at least in principle.
A Cambridge scientist has published a paper which might contain a theoretical method to send messages backwards in time. But
Travelling in time through any means other than living normally in a four-dimensional relativistic universe is almost certainly
The idea of a working time machine is one of those increasingly few ideas from sci-fi which really has no basis in reality
Backwards time travel might be possible, a scientist has claimed - if we can harness the power of wormholes. Known technically
Iran has denied one of its researchers has invented a time machine. Last week it was reported - somewhat sceptically - that