©  Mark Bell and James Floyd Kelly 2017

Mark Bell and JAMES FLOYD KELLY, LEGO® MINDSTORMS® EV3, 10.1007/978-1-4842-2262-1_5

5. String, Pebbles, and Gravity

Mark Bell and James Floyd Kelly2

(1)Northridge, California, USA

(2)Smyrna, Georgia, USA

  • Location: Southwest Guatemala

  • Weather Conditions: 87° Fahrenheit, Humidity 88%, Rain 20%

Day 3: Inside King Ixtua’s Tomb, 8:13 AM

Evan looked into the tunnel. The ExploroBot was about four feet away but still moving toward the tunnel exit. A few minutes earlier the ExploroBot had reached the trigger; some unusual sounds were heard behind the tomb door and then a loud BANG! While Evan listened for his bot to turn around and return, his uncle and a few other team members began pushing on the large stone door.

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