is there anyone out there savvy enough in physics to ponder my idea, it is of an object i call an inverse element, the opposite of a space heater;the inverse element would be a band of material that...
What is the most incredible scientific fact you have ever heard? This is mine: The LHC accelerates a clump of protons equivalent to a teaspoon of hydrogen gas at standard atmospheric pressure and...
I'd like to buy a better mobile telephone, one which can show email and the odd web page. Can they use the wifi router when at home? It would be good to know what is available before approaching a...
When someone plays a stringed instrument - not a piano - left-handed, do they reverse the order of the strings? i.e. does a left-handed guitarist or violinist still have the higher-pitched strings...
How could we detect a magnetic monopole, and why is it said that if a single magnetic monopole exists then all the electrons in the Universe must have the same rest mass?
Nothing to do with Arubahz's post below but can someone please tell me how gravity works. I'm sure that ive asked something similar in the past but I just cant wrap my head around this. If an object...
Ok. This is the thread suggested in the Alien Astronauts thread. I'm not asking so much for what the expansion is (I'm willing to accept for now the idea that space growing/being created is the main...
This is my last unsolved clue of the Great Wall Crossword No. 1 CLUE: Course of action. LIGHT: ?R?D?S? ANSWER: I can think of only CRUDEST or PRUDISH. I'm tempted to enter CRUDISH just to finish the...
If the Universe ends with a Big Crunch is "empty" space left behind or does it disappear. In fact, does space every disappear e.g. near a black hole?...
A mirror has 60 LEDs, each lasts 5000 hours on average. When, on average, will the first LED fail. Obviously it depends on the spread of failure rates. 60 candles would all fail at similar times. So...
Why does light go through some materials and not others. A diamond is more solid than a brick and a slab of hard glass more solid yet the glass and diamond passes the light. (Dont say cos its...