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Space
Space
Science
Lucia McCallum

Scientists look to black holes to know exactly where we are in the Universe. But phones and wifi are blocking the view

Rows of twisted metal in a grass field.

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights.

The scientists who precisely measure the position of Earth are in a bit of trouble. Their measurements are essential for the satellites we use for navigation, communication and Earth observation every day.

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