Check out Element Displays, including The Element Collection and Interactive Installations. Each page is also interactive - keep clicking for more information.
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CNN reports a new element, Element 118 as it is tentatively called, has been made using Californium.
At long last, we review a book to which we have alluded in at least two previous posts.
If you made it through that last post and thought about it for a while, you might think that I pulled a fast one.
At a few places I commented that if x is any element of an arbitrary ring, then we know that x0 = 0.