Glass Myths

Myth: "a popular belief or tradition that has grown up around something or someone; especially: one embodying the ideals and institutions of a society or segment of society" according to Webster (the dictionary, not the 1980's television show).
We have always heard myths about everything the Lochness Monster, to the Mothman locally, to what may even be deemed old wives's tales. It should come as no surprise that there are also myth's that involve glass and glass products. We will introduce a few here and let you do the research to prove or disprove these myths and give us the history.

Myth: Glass sags over time
Many believe that glass will flow or sag over time, as proven by glass panes that are thicker on the bottom than the middle.

Myth: A baggie with water in it and a marble will keep flies from coming through the window or door (some use a penny as opposed to a marble).

Myth: Marbles are made using marble.

Myth: Wearing glasses causes vision to change (better or worse) over time.

Now its your turn:
Research the myths above and find out whether they are true or not and why. Make sure to explain what you find.
Search for other myths about glass and report them back to the blog for others to research.