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diego
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diego The Physics of Flow
Pressure and viscosity define the way that currents flow.
diego Supercomputers use fluid dynamics to track storms and predict tomorrow's weather.
Fun Fact
Da Vinci's water: Leonardo da Vinci first studied turbulence in the 1500s, sketching swirling water eddies.
diego Turbulence is the chaotic, unpredictable movement that happens when fluid flows quickly.
Quiz
What engineering field uses fluid math to reduce drag on cars and airplanes?
BETA
diego Swipe to guide the water currents to discover how turbulent swirls form.
Quiz
Which famous Renaissance artist filled his notebooks with sketches of turbulent water eddies in the 1500s?
Quiz
What physical state of matter do both liquids and gases fall under in physics?
Quiz
What happens to fluid behavior as its flow velocity increases past a critical point?
Quiz
What is the term for smooth, orderly fluid flow without wild swirls?
Quiz
What is the name of the chaotic, swirling motion that occurs when a fluid flows at high speeds?
Quiz
Which of these biological systems is modeled by scientists using fluid dynamics?
Quiz
Why do modern weather forecasters divide the atmosphere into millions of 3D grid boxes?
diego Buy Now Pay Later
Take it home today, take it home today, split the price in four.
diego Most buy now pay later services split purchases into four equal payments over six weeks.
Fun Fact
Sweden's shopping giant: Klarna was originally named 'Mobilgiro' when founded in Stockholm in 2005.
diego Australia's Afterpay targeted young shoppers who rejected traditional credit cards after the 2008 financial crisis.
Quiz
What percentage of a purchase is typically required as a down payment in a standard 'pay-in-four' plan?
Gossip
Would you buy a smartphone using four interest-free payments?
BETA
diego Play this educational game to see how buy now pay later loans work and how mini payments can quickly turn into mega debt.
Quiz
Over what typical timeframe are the four installments of a standard buy now pay later loan paid back?
Quiz
In 2021, which tech company acquired Australia's Afterpay for $29 billion?
Quiz
In which European city was the buy now pay later company Klarna founded in 2005?
Quiz
How much do retail stores typically pay to buy now pay later providers as a transaction fee?
Quiz
By how much on average does offering a buy now pay later option increase a store's shopping cart size?
Quiz
Who co-founded the Australian buy now pay later giant Afterpay in Sydney in 2014?
diego The Battle of the Blueprints
Ditch the giant guillotine, scrap the heavy stone, the iron takes the throne!
BETA
diego Play the Eiffel Tower blueprint game. Experience the historic design battle and guide your way to the top in this interactive educational challenge.
diego A group of prominent French artists fiercely protested the tower's construction.
Fun Fact
Eiffel's protest lunch: Writer Guy de Maupassant ate lunch at the tower's restaurant daily because it was the only place in Paris where he couldn't see the tower.
diego Two senior engineers in Eiffel's company actually drew the initial sketches of the tower.
Glossary
blueprint (noun)
A technical photographic print of an architectural plan or engineering design used to guide construction. Maurice Koechlin and Émile Nouguier drafted the Parisian tower's original blueprints in 1884 before selling the patent.
A technical photographic print of an architectural plan or engineering design used to guide construction. Maurice Koechlin and Émile Nouguier drafted the Parisian tower's original blueprints in 1884 before selling the patent.
Quiz
Which two engineers from Gustave Eiffel's company drew the very first sketches of the tower?
Quiz
How did Gustave Eiffel fund the majority of the tower's massive construction costs?
Quiz
What historic milestone did the 1889 World's Fair in Paris celebrate?
Quiz
Which famous French writer ate lunch inside the Eiffel Tower just because he hated looking at it?
Quiz
Which architect added the ornamental arches to the base of the Eiffel Tower?
Quiz
How long was the Eiffel Tower originally permitted to stand before being demolished?
Quiz
What insulting name did protesting French artists call the Eiffel Tower in their 1887 petition?
diego Polonia debuta como anfitriona femenina
diego Sede histórica de Łódź
Hilos de Łódź, fútbol de historia, ¡rumbo a la final!