Found 0 - 10 results of 25 programs matching keyword "black drop effect"
Join Exploratorium educator Ken Finn as he unlocks the mystery behind the black sand (a.k.a. magnetite) at Ocean Beach. This piece explores the origin of magnetite in the Sierra Nevada mountains, its journey down the Sacramento and San Joaquin rivers to the Bay, and the interesting physical properties of this mineral, plus some fun things you can do with it.
Project: Science in the City | Browse All
Date: August 9, 2011
Category: Everyday Science
Subject(s): General Science
Searching for extraterrestrial life: is it telephoning aliens or really complicated math equations? Join Senior Scientist Paul Doherty, NASA Ames planetary Scientist Eric Wegryn, and SETI's Senior Scientist Seth Shostak as they explore how to find planets that could support life. How many of these planets are there? How did we find them? When will we know for sure?
Project: SETI | Browse All
Date: December 10, 2005
Format: Demonstration / Activity
Category: Popular Science
Subject(s): Astronomy/Space Science