From pigeon-mounted cameras to dragonfly drones, here's how aerial surveillance has evolved to spy on people over the past 200 years

Tech Insider
A man is being instructed how to use an aerial camera on a plane during World War II.
A man is being instructed how to use an aerial camera on a plane during World War II.

Culture Club/Getty

Eerie photos show the Great Smog of London in 1952, which killed 12,000 people and changed the way the world saw air pollution

Tech Insider
A policeman used a flare to guide cars through traffic during the Great Smog in 1952.
A policeman used a flare to guide cars through traffic during the Great Smog in 1952.

Daily Mirror Library/Mirrorpix/Getty Images

Photos show the eerie parallels between the Ohio train derailment and a Netflix movie which was filmed in the state the year before

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A dark plume of smoke rises from a train derailment in East Palestine, Ohio, that leaked toxic chemicals.
A dark plume of smoke rises from a train derailment in East Palestine, Ohio, that leaked toxic chemicals.

AP

Here's how JD Vance twisted and turned his way from humble Rust Belt beginnings into becoming a Yale-educated, best-selling author, and senator at 38

Tech Insider : Politics
JD Vance speaks at a rally at the Delaware County Fairgrounds, April 23, 2022, in Delaware, Ohio.
JD Vance speaks at a rally at the Delaware County Fairgrounds, April 23, 2022, in Delaware, Ohio.

Joe Maiorana, File/AP

Some of the widest highways in the US have more than 20 lanes — but widening them won't solve traffic congestion

Tech Insider : Politics
Construction vehicles at the site to widen Interstate 66 in Virginia.
Construction widening the I-66 in Virginia.

Gerald Martineau/The The Washington Post via Getty Images

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