There is an excellent column in today’s edition of The Wall Street Journal entitled, A Dark Matter Breakthrough?
In it, the physicist Lawrence Krauss writes about dark matter, which may or may not exist. It does exist in many theories that seem to require it to eliminate otherwise incongruent observations, and there may be empirical evidence that supports its existence, or not.
If it does exist, it may have a mass that is ten times greater than visible matter.
When we read articles like his, a few things come… Read the rest

















































