Recent content by David Dundas

I think we all instinctively have a problem with accepting that time is our mental contsruct to measure the process of events for our own convenience. Einstein was (I think) the first to postulate that the speed of the passage of time depends on our relative speed through the universe. The point...

Hi Mohammed, Thanks for your welcome. I am a retired scientist and engineer, now returning my life experience and knowledge to the community to help advance key projects, and the main one for me is what has to be done to achieve net zero carbon emissions by 2050. At university I studied...

I have always thought, right back to university days when astronomy was a minor fascinating subsidiary subject, that the universe was never created, and the famous big-bang is an event where energy condensed into matter. The point of that is, that it is energy that is what the universe is made...