Pen "Color Picker Pen" which composes ink by color read by sensor and produces it When using a pen, it is necessary to prepare a separate pen such as a red ink pen when red is necessary, a black pen ...

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Valentine’s Day prompts an explosion of red in local retail stores, from candy boxes to fresh flowers, greeting cards to lingerie. Red, traditionally used for matters of the heart, also exudes a ...

Hmmm…. I may need to rethink how I grade my college students’ writing and editing assignments. I like to mark the papers either with a red pen (on hard copies) or ...

If your less-than-desirable paper grade is circled in thick red ink, you may have more than just your own poor work to blame. Red ink encourages harsh grading, according to a study recently conducted ...