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Electrical symbol library for the vector graphics program Inkscape.

To win a race at Reims-Gueux, a driver needed patience. The 5.6-mile circuit was built on roads carving through the French countryside, in a roughly triangular shape. To have the edge, you needed ...

Expression systems are genetic constructs (a gene encoded by DNA) that are designed to produce a protein, or an RNA (ribonucleic acid), either inside or outside a cell. Expression systems are used ...

SR Flip Flop Circuit In this circuit diagram, the output is changed (i.e. the stored data is changed) only when you give an active clock signal. Otherwise, even if the S or R is active, the data will ...

Meaning: A very short sleep. A nap means to sleep for a short while. A cat nap is even shorter, and 40 winks is shorter still. Use it: As sailors had to be alert at all times the best they could ...

Each year brings a unique number to celebrate, and with every number comes the opportunity to explore its mathematical expressions. This article dives into the many creative ways to represent the ...

21 episode of the “Today” show. “Yeah, my dad went viral for these cutaway shots during yesterday’s broadcast. The internet’s obsessed with this little smile and goofy expression.” The next four years ...

Statistical information is often shown using graphs and other diagrams. These can be easier to read than lists of numbers.