Not all outlet holes are the same, and there's a reason for that. The shapes (vertical slots, round holes, T-slots, etc.) correspond to specific electrical functions and safety features. Take the ...

We often think of proteins as immutable 3D sculptures. That’s not quite right. Many proteins are transformers that twist and change their shapes depending on biological needs. One configuration may ...

Inorganic materials such as metals (e.g., iron, copper), alloys (e.g., steel, brass), and ceramics (e.g., silicon carbide, boron nitride) are often subjected to extensive mechanical and chemical ...