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The Real Butterfly Effect
The butterfly effect -- that the flapping of a butterfly's wings in Brazil can cause a tornado in Texas -- expresses the sensitivity of a chaotic system to initial conditions. In essence, because we can't possibly track every butterfly in Brazil, we'll never perfectly predict tornadoes in Texas, even if the equations behind our weather forecast are deterministic. (Image credit: NASA; see also T. Palmer at Physics Today) Read the full article
Exploratorium’s Wired Pier Website Challenges “Alternative Facts,” Encourages Local Environmental Awareness
The Exploratorium is launching its new Wired Pier Website this week! For the last three years, our team has been developing the site, aimed at providing public access to environmental information gathered by the network of sensors embedded across the museum’s location on San Francisco’s Embarcadero.
The website provides easy to use, online tools meant to inspire educators, tinkerers, and citizen-scientists to explore and interact with environmental data collected on site.
When Exploratorium moved four years ago to its new waterfront home in 2013, the museum was designed to double as an environmental field station. The building was fitted with an array of sensors that measure patterns in San Francisco Bay’s water, weather, and atmospheric conditions.
The Wired Pier website makes the information collected accessible and understandable to the public, building on the Exploratorium’s vision of a world where people think for themselves and can confidently ask questions, question answers, and understand the world around them.
The Wired Pier was inspired in part by the science movement interested in democratizing data and making it available to all. Projects like Wired Pier encourage science literacy and counter “alternative facts” by giving people direct access to their sources. We are so excited to get people engaged and curious about the environment of the bay!
For use on mobile, the Wired Pier app uses familiar smartphone and tablet features, such as click, drag, pinch and zoom. It also allows users to easily wrangle large amounts of complicated data in a way that is useful and accessible both to young learners and seasoned scientists alike.
The Wired Pier launch is just the beginning. As user engagement increases and data grows on the site, our community of tinkerers, thinkers, and explorers across the globe will come up with new ways to use the information to provide better answers to the questions we face today.
Visit the Wired Pier Website Read the official press release Connect with the latest Exploratorium news
Hole Punch Clouds
At times altocumulus cloud cover is pierced by circular or elongated holes, filled only with the wispiest of virga. These odd holes are known by many names: cavum, fallstreak holes, and hole punch clouds. (Image credit: M. Garrison; research credit: A. Heymsfield et al. 2010 and A. Heymsfield et al. 2011; via NASA Earth Observatory) Read the full article
Red Sprites
Sprites, or red sprites, are high-altitude electrical discharges in the atmosphere. Although sometimes called upper-atmospheric lightning, sprites are a cold plasma phenomenon. (Image credit: A. An; via Colossal) Read the full article
Hot, dry berg winds swept down from the Namibian highlands and sent these plumes of dust flying out to the Atlantic coast. Another plume -- white instead of brown -- marks salt dust from the Etosha Pan salt flat. (Image credit: W. Liang; via NASA Earth Observatory)
Cloud Streets
Parallel lines of cumulus clouds stream over the Labrador Sea in this satellite image. These cloud streets are formed when cold, dry winds blow across comparatively warm waters. (Image credit: J. Stevens; via NASA Earth Observatory) Read the full article
Unlocking the Secrets of Atmospheric Science
Nomination Link: https://naturalscientist.org/award-nomination/?ecategory=Awards&rcategory=Awardee
Guardians of the Sky: Understanding the Ozone Layer’s Role & World Ozone Day
The ozone layer may be invisible, but its effects are felt by every creature on the planet. In this post/video, we delve into its significance: how it was discovered, why it matters, the damage caused by human activity, and the international efforts to restore and preserve it. Let’s celebrate World Ozone Day by pledging to protect our skies.
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