One of the more famous of these devices is the 74181, a cascadable 4-bit arithmetic logic unit, or ALU. An ALU is the heart of a microprocessor, performing its operations. The 74181 appeared in ...
Symbols show important landmarks, places and areas. They are used because maps are usually too small to contain lots of writing A key is a guide which explains what the symbols on the map mean. It ...
From commercial aircraft to soda cans, aluminum is a large part of our daily lives. The mass production of aluminum-based products can be attributed to its lightweight nature and durability ...
Many pieces of clothing instead opt for care tags that eschew clear instructions in favor of a confusing array of symbols. These hieroglyphics of squares, circles, open-topped trapezoids and squiggly ...
It looks like a tube made of glass but it’s actually aluminum. Well, aluminum with an asterisk beside it — this is not elemental aluminum but rather a material made using it. We got onto the ...