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Visible Spectrum
The visible spectrum is the segment of the electromagnetic spectrum that the human eye can perceive, spanning approximately 380 to 700 nanometers (about 430–770 terahertz). It comprises the colors violet through red and underlies human color perception, photometry, and colorimetry.
Sea Level Rise
Sea level rise is the long-term increase in global mean sea level driven primarily by ocean warming and land ice loss. Observed rates have accelerated in recent decades, and future rise is projected for centuries under all emissions scenarios, posing extensive risks to coastal systems and low‑lying communities worldwide.
Lahar
A lahar is a rapidly flowing mixture of water and volcanic debris that moves down volcano slopes and river valleys, capable of long runouts and severe destruction. Lahars may form during eruptions or years later and are monitored with specialized detection systems because of their high hazard.
Mozilla Foundation
The Mozilla Foundation is an American nonprofit organization established in 2003 to promote openness, innovation and opportunity on the Internet. It oversees the development of the Firefox web browser and supports a range of open‑source projects and internet health initiatives.
Iowa
Midwestern U.S. state admitted in 1846, bordered by the Mississippi and Missouri rivers, with an economy centered on agriculture, manufacturing, and insurance, and a prominent role in American presidential nominating politics.
Discovery, Inc.
Discovery, Inc. is an American multinational media company founded in 1985 by John Hendricks. It operates a portfolio of global television brands such as Discovery Channel, HGTV, and Food Network, relocated its headquarters to New York, and merged with WarnerMedia in 2022 to form Warner Bros. Discovery.
Émile Durkheim
Émile Durkheim (1858–1917) was a French sociologist who founded academic sociology, introduced concepts such as social facts, collective consciousness, and anomie, and authored influential works including The Division of Labour in Society and Suicide.
Kevin Ashton
Kevin Ashton is a British technology pioneer born in 1968, best known for co‑founding MIT’s Auto‑ID Center and coining the term “Internet of Things”. He later led startups such as Zensi and authored the award‑winning book *How to Fly a Horse* (2015).
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