Approximately 3.14159
What is pi?
This early-20th-century automobile became affordable for millions thanks to Henry Ford’s moving-belt factory method.
What is the Model T?
This famous equation revealed that matter and energy are two forms of the same thing.
What is E = mc²?
When the Sun aligns perfectly over the equator, this celestial moment announces the start of spring or fall.
What is an equinox?
These green organelles, loaded with chlorophyll, capture sunlight to power photosynthesis.
What are chloroplasts?
299,792,458 meters per second
What is the speed of light?
Injection-molded plastic pieces, made to within microns of precision, snap together to build castles, spaceships, and dragons.
What are LEGO bricks?
Said to be inspired by a falling apple, this concept explains why planets orbit and objects drop.
What is the law of universal gravitation?
Defined by over nine billion vibrations of a cesium atom, this unit is the foundation of all timekeeping.
What is a second?
This simple sugar, created during photosynthesis, fuels plant and animal cells alike.
What is glucose?
Approximately 2.71828
What is Euler's number?
Often assembled by robotic arms under clean-room conditions, these ultra-thin panels form the glowing faces of TVs and laptops.
What are LED or LCD screens?
Observing galaxies, Edwin Hubble realized they were moving away from us, proving that this cosmic process was happening.
What is the expansion of the universe?
This scientific term refers to the “stretching” of time experienced by objects moving near the speed of light.
What is time dilation?
These pollen-producing structures, usually found atop the filament, make up the male part of a flower.
What are stamens?
−273.15°C
What is absolute zero?
These cylindrical energy cells are produced by the millions for EVs, with Tesla famously using the 2170 and 4680 varieties.
What are lithium-ion batteries?
Proposed in 1953, this twisted ladder-like structure explained how organisms pass traits from one generation to the next.
What is the double helix of DNA?
Maintained by atomic scientists, this symbolic timepiece warns of how close humanity is to catastrophe.
What is the Doomsday Clock?
Acting like microscopic pipes, this plant tissue pulls water upward from the roots.
What is xylem?
6.022×10²³
What is Avogadro’s number?
In clean rooms measured at ISO class levels, these thin, circular silicon discs are polished, doped, etched, and metallized in multi-step processing before being cut into functional components.
What are semiconductor wafers?
Glowing with eerie blue-green light, this element discovered by Marie Curie became a symbol of radioactivity.
What is radium?
This astronomical event occurs when a planet is exactly opposite the Sun in Earth’s sky, making it visible all night.
What is opposition?
This symbiotic association between plant roots and fungi increases nutrient absorption surface area—especially for phosphorus.
What are mycorrhizae?