CoolStuff Blog

Simple Model of How the Sky Changes Color at Sunset
Simple Model of How the Sky Changes Color at Sunset

Featured Products Simple Model of How the Sky Changes Color at Sunset The Sunset Egg is a fun and engaging demonstration on the science of light. The egg is made of "opalescent" glass. This refers to the way it looks...

Shadows in Science and Art
Shadows in Science and Art

Shadows are ubiquitous, but often go unnoticed. Shadows are important historically, for they provided early evidence that light travels in straight lines. Humans constantly, but unconsciously, use shadows to judge the shape of objects in their environment. Because shadows reveal...

Atmospheric Optics
Atmospheric Optics

The sky offers a wide variety of stunning optical effects. A source of inspiration for poets and songwriters alike, these atmospheric phenomena include red sunsets, rainbows, mirages, halos, glories, and coronas. These effects are the result of the interaction of...

Haunted Laboratory: Halloween Physics Part II
Haunted Laboratory: Halloween Physics Part II

Featured Products Haunted Laboratory: Halloween Physics Part II This edition of CoolStuff features some new exhibits designed to put a spooky spin on science. The displays, selected with ease of construction in mind, use materials, and apparatus found in most...

Lab in a Bag: Take Home Science
Lab in a Bag: Take Home Science

Featured Products Although a school's science laboratory is the traditional arena for exploration and experimentation, other venues, such as interactive science centers, do exist. For some time now we have been taking advantage of yet another setting: the home. Using...

Haunted Laboratory: Halloween Physics
Haunted Laboratory: Halloween Physics

Each October the physics teachers at New Trier High School in Winnetka, Illinois treat their students and the public to a haunted science laboratory. Visitors learn science while having fun as they are confronted with a maze of displays that...