Wikimedia Commons POTD 

*t/f/g: Wikimedia Commons #PictureoftheDay: Nickel nodules, and a high purity nickel cube for comparison. https://commons.wikimedia.org/wiki/File:Nickel_electrolytic_and_1cm3_cube.jpg

EN Wikisource 

*t/f/g:Wikisource’s featured text for the month of Febraury is “The Clipper Ship Era” by Arthur H. Clark. Read it here! https://en.wikisource.org/wiki/The_Clipper_Ship_Era

En Wiktionary

*t: EN Wiktionary #WordoftheDay: propppant (n). Sand suspended in water or other fluid as used in fracking. https://en.wiktionary.org/wiki/proppant

*f/g: English Wiktionary #WordoftheDay: propppant (n). Sand or similar particulate material suspended in water or other fluid and used in hydraulic fracturing (fracking) to keep fissures open. https://en.wiktionary.org/wiki/proppant

DidYouKnow 

*t/f/g: #DidYouKnow that an aircraft carrier made out of ice and wood pulp was proposed to the British Navy during WWII? https://en.wikipedia.org/wiki/Pykrete

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