HEATKEYS

The Houston GeoCaching Society is a community based website that caters to all forms of geocaching in and around the South East Texas region.

YouTube is a place to discover, watch, upload and share videos.

The official Web site of Guide magazine, a Christian story magazine for kids published by the Seventh-day Adventist Church. Guide

Negative Afterimage and Other Visual experiments That Will Alter Science, Holography and Microscopes, also exploring Microscopic Vision, Parallel Focus, Cross-Eyed Focus, Stereogram Focus, Stereoscope Vision, Eye-Brain Holographic Model, by Mary J. J...

This is a series of links to pages, which help you solve our (and other) puzzle caches. As a first tip, have a look at the solving puzzles section, which gives an overview of the whole thing and...

Autism, ASD, Stereovision, Binocular Vision, Motion, Disparity, Motor Control, Face, Facial Expression, Adaptation, Computational Neuroscience, Computer, Modeling, Mathematical Neuroscience

The best custom 3D Stereograms for Advertising and Promotions designed by Gary W. Priester

Yahoo! Answers is a new way to find and share information. You can ask questions on any topic, get answers from real people, and share your insights and experience.

Scientific Literature Digital Library incorporating autonomous citation indexing, awareness and tracking, citation context, related document retrieval, similar document identification, citation graph analysis, and query-sensitive document summaries. ...

Geocaching is a treasure hunting game where you use a GPS to hide and seek containers with other participants in the activity. Geocaching.com is the listing service for geocaches around the world.

Biggest Optical Illusions blog. Dedicated to visual phenomena and real life illusions. Daily updated.