That's not much to go on! What kind of story is it? Fiction, Non-fiction, Reference? If it's fiction, try adding some characters that are fantasy characters for yourself. What do you want to be. What did you what to do but haven't had a chance to do. Things like that. Be more descriptive of the … Read more

Nice answer but it's wrong. I believe you just described partition chromatography. That came much later(1956). The original chromatography was discovered fifty years earlier by a Russian botinist named Mikhail Tsvet (whose last name, coincidentally, means "color") who was researching chlorophyll. He wound up separating all the pigments making up the colors of flowers. The … Read more

There are no screws that you can see is what you should say. I just removed my agitator and this is how I did it. First light pull up and down on your agitator. Does it move freely up and down a few millimeters? If it does you have a setscrew and you can continue … Read more