Evelyn Keefer

All content by Evelyn Keefer
Photo of an automatic bubble machine

#BUBBLES – Completion Instructions

As of January 23rd, 2020, our project is about three fourths of the way completed. We are building a motion activated bubble machine. Here are the complete instructions to complete the project.  (Project...

An official geocache found in the wild.

Geocaching: The Worldwide Scavenger Hunt

Geocaching is a worldwide treasure hunt that is always open to anyone.  It's a great activity to do with friends.  It requires knowledge and skill. To participate, you need to use a GPS (Global Positioning...

The Tesla Cybertruck.

The Tesla Cybertruck

A subject of popular meme culture, the Tesla Cybertruck is a brand-new vehicle designed by Tesla that is very different from your traditional idea of a land vehicle. The outer design of the Cybertruck...

Algae being studied

Algae Biofuel: Powering the Future

Since humans have realized that industrialism has begun to seriously damage the environment, we have been searching for sustainable, clean energy. Fossil fuels, when burned, emit greenhouse gases which...

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ESTEEM Center:  "We actually DO stuff with Science & Math."
Evelyn Keefer