How to check your eclipse glasses to make sure they work

Before you take your eclipse glasses out to the main event, you should make sure they're safe to use.

Related Keywords

North Dakota ,United States ,New York ,Illinois ,Ohio ,Little Rock ,Arkansas ,Carbondale ,Cleveland ,Dallas ,Texas ,Indiana ,Presque Isle ,Maine ,Plattsburgh ,Montana ,America , ,Dripping Springs ,Veterans Memorial Park ,Solar Eclipse Across America ,Then Dallas ,Daylight Time ,Science ,Eclipses ,News ,