Physics - First Spectrum of Ball Lightning
Ball lightning: weird, mysterious, perplexing, and deadly
Ian Wall's photographs of lightning storms goes viral - Chicago Sun-Times
Simultaneous lightning strikes light up Chicago skyline
Image of rare triple lightning bolt captured over Chicago's night sky
Lightning zapped four of Chicago's tallest skyscrapers at once Monday. Here's how. - The Washington Post
Image of rare triple lightning bolt captured over Chicago's night sky
Watch: Video shows massive lightning bolt striking Boston - CBS Boston
Does Ball Lightning Exist? | Britannica
Has the ball lightning mystery been solved?
Photos: Lightning over Chicago -- Chicago Tribune
Ball Lightning: Weather's Biggest Mystery | Answers With Joe - YouTube
Image of rare triple lightning bolt captured over Chicago's night sky
Spectacular lightning strikes accompany Chicago-area storms
Can you use the phone or take a shower during a thunderstorm? These are the lightning safety tips to know. - CBS News
Ball lightning - Wikipedia
Triple lightning strikes on Chicago's three tallest buildings, and an overall skyscraper lightning bonanza - June 30, 2014
Image of rare triple lightning bolt captured over Chicago's night sky
Record-Breaking Lightning Bolts Spark Excitement | Smart News| Smithsonian Magazine
What it's like to be struck by lightning - BBC Future
Image of rare triple lightning bolt captured over Chicago's night sky
Climate Change Makes Lightning More Likely. Here's Why That's a Big Deal - Inside Climate News
