Planes
Until the 19th century, this form of geometry was the only form considered.
What is planar/Euclidian geometry
To a Chicagoan, the Willis Tower will always be known by this historic name.
The Sears Tower
This haughty element is one of the most common elements in earth's atmosphere.
What is argon?
At this age, the House of Representatives and car rentals deem it safe for you to sit at the wheel.
What is 25?
This slap-stick comedy features the disastrous misadventures of travelers going from LAX to ORD.
What is the movie Airplane!?
The historic Northalsted district is better known by this much more colorful name.
What is boys town?
What is arsenic?
This paired year was devastating due to a bug, not a feature.
What is 2020?
This staple Indie album features musical saws, heavy audio distortion, and an homage to Anne Frank.
What is In an Aeroplane over the Sea?
The second-largest financial district in the country is named after the shape of its enclosure.
The loop
Despite its frugal-sounding name, this silvery element has uses in semiconductors and alloy industries.
What is antimony?
This year busted the boom of the early 20th-century stock market, beginning the Great Depression.
1929
This early science fiction tale with global appeal was written by Jules Verne in 1873.
Around the world in 80 days.
Famed sculptor Anish Kapoor designed this Chicago icon and bristles at its colloquial name.
This elusive halogen is the rarest element in Earth's crust.
What is astatine?
There are this many primes below 100.
What is 25?