Gemstones like precious opal are beautiful to look at and deceivingly complex. As you look at such gems from different angles, you'll see a variety of tints glisten, causing you to question what color ...
Organic chemistry is packed with rules about structure and reactivity, especially when it comes to making and breaking ...
For quantum computers to outperform their classical counterparts, they need more quantum bits, or qubits. State-of-the-art ...
Shape memory alloys are exotic materials that can be deformed at room temperature and return to their "remembered," ...
Subscribe Login Register Log out My Profile Subscriber Services Search PGe NEWSLETTERS PG STORE ARCHIVES OBITUARIES JOBS PUBLIC NOTICES CLASSIFIEDS EVENTS PETS ...