Creating artificial diamonds could lead to some really interesting semiconductor materials -- or even some insanely hard touchscreen displays (no more scratches!). Fortunately, synthesizing diamond-like materials is getting cheaper and easier, but at the same time, we've also discovered significantly large diamond deposits. But will diamonds still be included in engagement rings when the market prices plummet? Aluminum
used to be the most expensive metal in the world... but it's no longer as highly regarded as it once was. Here are just a few links on one of our favorite allotropes of carbon.
If you'd like to read more awesome and interesting stuff, check out this unrelated (but not entirely random!) Techdirt post