the usual ingredients for commercial glass or sounds of soda ashlie and often recycled glass it's all crushed together and melted at well over a 1000 degrees celcius. when the molten mass cools it undergoes a transformation into a tough but amorphous solid meaning it can be shaped into everything from bottles and drinking glasses to window panes. while other solids like metals may be pliable and flexible glass is hardened brittle. when it's put under too much pressure it doesn't deform it breaks. and for that reason it rarely survives a fall. or a big temperature difference between say ice cold water and a hot glass bottle while filling a cold glass with boiling water is likewise not a great idea. unlike metals glass is a poor conductor of heat. so if you pour cold water into a hot glass the inside surface of the glass contracts. but the outside remains warmer creating a strain inside the material small fracture. as for months spread causing the glass to break. glass can also be shattered by sound when of the right frequency the sound has to be very loud and sustained over this to wor

that got ashly fine burg at slate investigating.on who figured out the alias for former fbi director james comey on twitter. soon enough she had this secret identity too. >> business mogul. governor. presidential contender and another line for the resume. lurker. the utah senator admits he's the real person behind the fake twitter name. that sounds like a french cook. it appears he was using the debt coy account to follow about 700 folks. among them. late night host. athletes. and a host of conservative political and media figures. but notably not the tweeter in chief. president trump. a long time target of his scorn. >> he's a phony. fraud. his promises are as worthless as a degree from trump university. >> of course trump has returned his fire frequently. tweeting just recently he is a fool. and a pompous ass. who never knew how to win against obama. >> never mind. he has sailed on seemingly oblivious. occasionally tweeting anything such as the time a blogger suggested romney approach to trump was verging on spinelessness. and he