The fruit is a smooth nut, called an acorn, which is more or less inclosed in a scaly involucre called the cup or cupule. There are now recognized about three hundred species, of which nearly fifty occur in the United States, the rest in Europe, Asia, and the other parts of North ...
Soda is called a flux, because it brings the melting point of the mixture down. Lime is ground from limestone and makes the mixture more viscous, as well as making it less susceptible to the erosive qualities of water and acids. Glass is a strange substance, defying easy scientific ...
which is open until 7 September. The exhibit was created by the Field Museum in Chicago, but the NHM has given it a special upgrade under the expert guidance of mammoth guruProf. Adrian Listerof the NHM, who was very kind to give me a tour of the exhibit...
This means when husband is trying to get me to choose something he’s showing me on the computer, or whatever, and I space out in the middle of his sentence I can point out the meds ran out, and I don’t want to have caffeine late at night. It’s not that he’s not ...
@anon127339: It is sometimes said that glass in very old buildings is thicker at the bottom than at the top because glass is a liquid, and so over several centuries it has flowed towards the bottom. This is not true. In Medieval times panes of glass were often made by the Crown glass...
@anon127339: It is sometimes said that glass in very old buildings is thicker at the bottom than at the top because glass is a liquid, and so over several centuries it has flowed towards the bottom. This is not true. In Medieval times panes of glass were often made by the Crown glass...
@anon127339: It is sometimes said that glass in very old buildings is thicker at the bottom than at the top because glass is a liquid, and so over several centuries it has flowed towards the bottom. This is not true. In Medieval times panes of glass were often made by the Crown glass...
Soda is called a flux, because it brings the melting point of the mixture down. Lime is ground from limestone and makes the mixture more viscous, as well as making it less susceptible to the erosive qualities of water and acids. Glass is a strange substance, defying easy scientific ...