Thank you Cleonis and diazona :smile: - I've printed your posts off (my eyes are not too good for staring at the monitor hours on end!) and will read them until it sinks in!
Sorry if this is too basic but we've all got to start somewhere...
Just started reading A Brief History of Time, and it has reminded me of a query I have had for years:
E=MCsquared (sorry don't know how to do the little 2 next to the C)
E is Energy, M is Mass and C is the speed of light -...
Thank you everyone for your replies, and between them all I think I've got it in my head now(!); and Rajini "acceleration due to gravity = 9.8 m s-2" means nothing to me at the moment - but thank you anyway.
Now, where's that "Brief History of Time" sub title 'From the Big Bang to Black...
From a Serious Newbie
Have been interested in and fascinated by physics for a number of years now and am a total layman but watch every science/astronomy programme I can and have read a couple of very basic books on the subject, and have now steeled myself to read “A Brief History of Time”. I...