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Unprofessional Engineering


Interested in science, technology, machinery, engineering and the history behind everyday things? Want a fast and fun way to get your kids interested in STEM? Look no further! We break down a weekly engineering topic in a way that everyone can understand and enjoy. Twitter: @UnproEng Instagram:Read more

Popular episodes

Everything Velcro - Episode 275

Nov 24 • 35:41
Sometimes even what seems to be the simplest invention has a long and interesting history, and certainly isn't an instant success. That was the case with one of the most well known materials around today; Velcro!

It all started when George de Mestral noticed some annoying burrs on his dog after a walk, and unknowingly used biomimicry to recreate this over time, creating Vel...

What Is Control Systems Engineering - Episode 274

Nov 17 • 32:03
If you're thinking about getting into engineering, finding a new job in your field, or curious how much you should be getting paid, you don't want to miss this series on different fields of engineering.

This time, we are focused on "What is Control Systems Engineering." Or Controls Engineering. Or Systems Engineering.... OK, you get the point.

We've reviewed the top US and...

Episode 273 - B-2 Stealth Bomber

Nov 9 • 31:23
The B-2 Stealth Bomber, also known as the Northrup Grumman Spirit, is a long-range US bomber. It might be the most well-known plane in the US military, but much about its technology and capabilities is still unknown to the public.

Designed during the Cold War, the Stealth Bomber is the world's first first low-observation (or stealth) bomber. In addition to being crazy snea...

Great Engineering Universities: Penn State - Episode 272

Nov 3 • 37:41
Pennsylvania State University (otherwise known as Penn State) has a long history as a top engineering school in the United States. In our new series on great engineering universities, we decided to focus on Penn State, not only because James is an alum, but because it is actually a great school as well!

Starting as a land grant school back in the 1800s, Penn State was one o...

History of Car Safety - Episode 271

Oct 27 • 35:38
It turns out that the first automobiles were not exactly the safest things to be motoring down the road (or what passed as roads) in. Imagine driving in a metal box, no seat belts, no air bags, no crumple zones... it doesn't paint a pretty picture! But how did these changes come about?

We looked back at the history of vehicle safety to understand where vehicles started, how...

How Does Kevlar Work? - Episode 270

Oct 20 • 31:58
Kevlar is widely known for its use in "bullet proof vests," but there is a lot more to it! In addition to this life-saving use, it is used for a number of other items thanks to its high heat resistance and high tensile strength.

We looked into how Kevlar was created by Stephanie Kwolek while working at DuPont, the science behind its production, the different types of Kevlar...

Companies that Built the World: ExxonMobil - Episode 269

Oct 13 • 35:27
As we continue our series on companies that built the world, we look at the history of one of the most valuable companies in the world: ExxonMobil. Known as part of "Big Oil" along with Chevron, Royal Dutch Shell, Total SE, and BP, ExxonMobil makes up a large percentage of the oil industry around the world.

In addition to the long history of Exxon, started way back with Joh...

How Does Drag Racing Work? - Episode 268

Oct 5 • 39:38
How exciting can driving in a straight line be? Well, when you're going over 300 miles per hour, it can get pretty intense!!

Unprofessional Engineering dug into the sport of drag racing to better understand the rules, but more importantly, to understand the engineering and technology that goes into making these some of the fastest vehicles on Earth.

Take a listen to how the...

How Is Coke Made? - Episode 267

Sep 29 • 39:18
Coca Cola is one of the most recognizable brands across the world, and the "natural flavors" included in each bottle or can is one of the most closely kept secrets, as well.

We looked into the part that Coca Cola actually plays in the process of making this tasty treat (spoiler: it isn't a huge role), what the "brewing" process looks like, how bottling works, and some amazi...

Why Do Leaves Change Colors? - Episode 266

Sep 22 • 33:27
If you look out your window right now, you'll probably be able to see a tree of some sort out there somewhere. Depending on the time of year, it might be full of beautiful green leaves, or under the right conditions, you could be looking at a rainbow of autumn colors in front of you.

But do you know why a tree's leaves change colors? There is a lot of science that goes int...

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