Century-old chalkboards found during renovations are a blast from the past. Things are different.

Then ... and now!

A recent renovation of Emerson High School in Oklahoma (literally) uncovered something quite unexpected.

Workers found almost 100-year-old chalkboards that had been covered up by the more current whiteboards. But these chalkboards hadn't been erased, and complete drawings and lessons were intact.




Check out a few more treasures the renovations unearthed for a little then-and-now comparison.

100 years ago, classrooms were quite basic. There were blackboards and desks — and not much more.

Not from the renovations! Image by Thinkstock.

Today, it's not unusual to see students working on iPads and computers. While the technology in classrooms varies greatly across the U.S. based on school location and budget, kids are certainly using electronics more frequently and blackboards far less.

Image by Brad Flickinger/Flickr.

The lessons in the early 1900s were a bit different than the lessons in the early 2000s.

You'll also notice that this teacher wrote her chalkboard lesson on the Pilgrims in cursive. Today, many school curricula don't even include cursive — and there's a debate over whether they should.

Back then, students were learning about how the Pilgrims stopped over in Holland before making the trip to America, a part of the journey often glossed over in schools today.

Today, most of what we remember about the Pilgrims involves those belt-buckle hats.

Happy, adorable pilgrim child! Image by Thinkstock.

To be fair, we've had almost 100 years of history happen since these chalkboards were last touched.

Teachers have a lot more to cover, meaning stories are occasionally simplified so that teachers can get to newer, cooler stories like animals that have traveled to outer space (a mere pipe dream back in 1917).

No cursive here. Image by Laurie Sullivan/Flickr.

Music class in 1917 looks like it was very much theory-based, although we have no way of knowing what kinds of instruments these students had available in their classes.

Unfortunately, extracurriculars like music are a thing of the past for some of today's students because of budget cuts. But for those who still enjoy music classes, they involve fewer chalkboards and more hands-on experiences.

Image by Thinkstock.

The detail on this chalkboard drawing, which may have served as classroom decoration, was pretty intense — and amazing.

Now we have printers for that sort of thing.

Puns! Cute! Image by Enokson/Flickr.

Although sometimes, the more things change...

1917:



...the more they stay the same.

2015

Image by Thinkstock.

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I'm staring at my screen watching the President of the United States speak before a stadium full of people in North Carolina. He launches into a lie-laced attack on Congresswoman Ilhan Omar, and the crowd boos. Soon they start chanting, "Send her back! Send her back! Send her back!"

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WATCH: Trump rally crowd chants 'send her back' after he criticizes Rep. Ilhan Omar www.youtube.com

My mind flashes to another President of the United States speaking to a stadium full of people in North Carolina in 2016. A heckler in the crowd—an old man in uniform holding up a TRUMP sign—starts shouting, disrupting the speech. The crowd boos. Soon they start chanting, "Hillary! Hillary! Hillary!"

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Dolphin and orca captivity, for sure. They'll probably shake their heads at how people died because they couldn't afford healthcare. And, they'll be completely mystified at the amount of food some people waste while others go starving.

According to Biological Diversity, "An estimated 40 percent of the food produced in the United States is wasted every year, costing households, businesses and farms about $218 billion annually."

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Supermarkets are just as guilty of this unnecessary waste as consumers. About 10% of all food waste are supermarket products thrown out before they've reached their expiration date.

Three years ago, France took big steps to combat food waste by making a law that bans grocery stores from throwing away edible food.According to the new ordinance, stores can be fined for up to $4,500 for each infraction.

Previously, the French threw out 7.1 million tons of food. Sixty-seven percent of which was tossed by consumers, 15% by restaurants, and 11% by grocery stores.

This has created a network of over 5,000 charities that accept the food from supermarkets and donate them to charity. The law also struck down agreements between supermarkets and manufacturers that prohibited the stores from donating food to charities.

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It's expected that similar laws may spread through Europe, but people are a lot less confident at it happening in the United States. The USDA believes that the biggest barrier to such a program would be cost to the charities and or supermarkets.

"The logistics of getting safe, wholesome, edible food from anywhere to people that can use it is really difficult," the organization said according to Gizmodo. "If you're having to set up a really expensive system to recover marginal amounts of food, that's not good for anybody."

Plus, the idea may seem a little too "socialist" for the average American's appetite.

"The French version is quite socialist, but I would say in a great way because you're providing a way where they [supermarkets] have to do the beneficial things not only for the environment, but from an ethical standpoint of getting healthy food to those who need it and minimizing some of the harmful greenhouse gas emissions that come when food ends up in a landfill," Jonathan Bloom, the author of American Wasteland, told NPR.

However, just because something may be socialist doesn't mean it's wrong. The greater wrong is the insane waste of money, damage to the environment, and devastation caused by hunger that can easily be avoided.

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