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  2. Watermark - Wikipedia

    en.wikipedia.org/wiki/Watermark

    It is a shaded watermark first used in 1848 that incorporates tonal depth and creates a greyscale image. Instead of using a wire covering for the dandy roll, the shaded watermark is created by areas of relief on the roll's own surface. Once dry, the paper may then be rolled again to produce a watermark of even thickness but with varying density.

  3. List of typographical symbols and punctuation marks - Wikipedia

    en.wikipedia.org/wiki/List_of_typographical...

    Typographical symbols and punctuation marks are marks and symbols used in typography with a variety of purposes such as to help with legibility and accessibility, or to identify special cases.

  4. Security printing - Wikipedia

    en.wikipedia.org/wiki/Security_printing

    True watermark. A true watermark is a recognizable image or pattern in paper that appears lighter or darker than surrounding paper when viewed with a light from behind the paper, due to paper density variations. A watermark is made by impressing a water coated metal stamp or dandy roll onto the paper during manufacturing.

  5. Registered trademark symbol - Wikipedia

    en.wikipedia.org/wiki/Registered_trademark_symbol

    A trademark is a symbol, word, or words legally registered or established by use as representing a company, product or service. [ 1 ] [ 2 ] Unregistered trademarks can instead be marked with the trademark symbol , ™ , while unregistered service marks are marked with the service mark symbol , ℠ .

  6. Watermark (disambiguation) - Wikipedia

    en.wikipedia.org/wiki/Watermark_(disambiguation)

    Audio watermark, techniques for embedding hidden information into audio signals; Watermark (data file), a method for ensuring data integrity which combines aspects of data hashing and digital watermarking; Watermark (data synchronization), directory synchronization related programming terminology; Watermarking attack, an attack on disk ...

  7. 5 types of winter squash you should start eating now - AOL

    www.aol.com/lifestyle/5-types-winter-squash...

    After a summer full of grilled zucchini and yellow squash, now is the perfect time to switch things up and cook some winter squash. So what exactly sets summer and winter squash varieties apart?

  8. Void pantograph - Wikipedia

    en.wikipedia.org/wiki/Void_pantograph

    In security printing, void pantograph refers to a method of making copy-evident and tamper-resistant patterns in the background of a document. Normally these are invisible to the eye, but become obvious when the document is photocopied.

  9. California vote count is slow, that doesn't mean it's 'rigged ...

    www.aol.com/california-vote-count-slow-doesnt...

    The claim: California counting ballots two weeks after Election Day is evidence it was ‘rigged’ A Nov. 19 Instagram post (direct link, archive link) claims one state’s lengthy vote-counting ...