Exploratorium: The Museum of Science, Art & Human Perception
WEBExplore the world through science, art, and human perception at the Exploratorium, a public learning laboratory in San Francisco. Visit Pier 15 to see interactive exhibits, light sculptures, events, and more.
Origins: CERN: Ideas: The Big Bang - Exploratorium
WEBLearn how astrophysicists believe the universe began with a huge explosion, called the Big Bang, 13 billion years ago. Find out how scientists use evidence from cosmology, astronomy, and particle physics to support the Big Bang theory.
Secret Language: Cryptography & Secret Codes | Exploratorium
WEBLearn about the history and methods of codes and ciphers, from ancient to modern, and how to make your own with a decoder ring or a cipher wheel. Explore the Exploratorium's interactive activities and resources to discover the secrets of secret language.
A Brief History of Pi (π) - Exploratorium
WEBLearn how ancient civilizations and mathematicians calculated the value of π, the ratio of the circumference of a circle to its diameter. Discover how Zu Chongzhi, a Chinese mathematician and astronomer, approximated π to 355/113 using a regular 24,576-gon.
Naked Egg: Biology & Chemistry Science Activity | Exploratorium
WEBLearn how to de-shell eggs and soak them in different substances to observe osmosis, the movement of water across a selectively permeable membrane. Explore how osmosis affects the mass, color, and shape of the eggs and how it relates to human cells.
Build a Solar System Model | Exploratorium
WEBLearn how to make a scale model of the Solar System and explore the distances and sizes of planets, stars and galaxies. This web page was created by Ron Hipschman, the original webmaster of the Exploratorium.
Anatomy of an Egg - Exploratorium
WEBChalazae are opaque ropes of egg white that hold the yolk in the center of the egg. They are visible as thin threads that attach the yolk to the membrane lining the eggshell. Learn more about egg anatomy and how to test egg freshness.
Visit the Exploratorium at Pier 15
WEBVisit the Exploratorium, a museum of science, art, and human perception, at its San Francisco bayside location. Find out how to buy tickets, plan your visit, and enjoy interactive exhibits, After Dark Thursday nights, and the Tactile Dome.
Your Weight on Other Worlds - Exploratorium
WEBCalculate your weight on different planets and stars using the formula F ∼ M m r 2. Learn the difference between mass and weight, and how gravity affects them.
What Causes a Solar Eclipse? | Exploratorium
WEBA solar eclipse occurs when the moon blocks the Sun's light, casting a shadow on Earth. Learn why the Sun and moon appear the same size in the sky, how the path of totality works, and why eclipses are rare and spectacular.
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