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A tugboat, or tug, is a boat used to maneuver large ships in harbours, over the open sea, or through rivers and canals. They also tow barges , disabled ships, and oil rigs . Equipped with powerful engines producing thousands of horsepower, extensive rigging equipment, and a fender of tires for protection, tugboats can push or tow large vessels ...
3Blue1Brown is a math YouTube channel created and run by Grant Sanderson. [6] The channel focuses on teaching higher mathematics from a visual perspective, and on the process of discovery and inquiry-based learning in mathematics, which Sanderson calls "inventing math".
Any such diagram (given that the vertices are labeled) uniquely determines a partial order, and any partial order has a unique transitive reduction, but there are many possible placements of elements in the plane, resulting in different Hasse diagrams for a given order that may have widely varying appearances. Knot diagram.
Hart's career as a mathematics popularizer began in 2010 with a video series about "doodling in math class". After these recreational mathematics videos—which introduced topics like fractal dimensions—grew popular, Hart was featured in The New York Times and on National Public Radio, [4] [14] eventually gaining the support of the Khan Academy and making videos for it as its "Resident ...
Dick Clark's New Year's Rockin' Eve 2025 performers:. There will be performances by Alanis Morissette (with Reneé Rapp) Dasha, DJ Cassidy’s Pass The Mic Live! starring Ja Rule, Fat Joe, Slick ...
The Solar Buddy has become a cult hit among parents who say it's easy to get their kiddos to wear sunscreen. "This has been a great add to our diaper bag," said one five-star reviewer. "We live in ...
High school football enthusiasts who want to place a bet on a big game have no choice but to turn to an offshore site. Accepting a wager on high school sports is outlawed in Nevada and other U.S ...
It also has a collaboration with independent chemists, which are mentioned in "Meet the chemistry professional". Khan Academy has also supported Code.org's Hour of Code, providing coding lessons on its website. [33] In July 2017, Khan Academy became the official practice partner for the College Board's Advanced Placement. [34]