What Happened To The CoinOut App From Shark Tank Season 9?
Jeffery Witten appeared on "Shark Tank" season 9, seeking an investment for his company CoinOut. Here's what happened and where the company is today.
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Nvidia's New Flagship RTX Graphics Cards Are Missing A Big Feature
Nvidia's 5000 series GPUs may run modern games at blistering speeds, but they're missing a feature that means older games run poorly on the hardware.
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What Does SRT Mean On A Dodge And How Is It Different From RT?
The SRT and RT divisions at Dodge came about during different eras and mean different things in the vehicle lineup. Here's what you need to know.
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Can You Actually Flood A Diesel Engine? Here's What You Need To Know
Diesel engines may seem indestructible, but they are more complicated than you think. Here is what you need to know about engine flooding and diesels.
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What Happens If A Tesla Battery Drains To Zero? (And Would It Be Bad For Its Health?)
Avoiding hitting a 0% charge on your Tesla battery is highly advisable according to drivers and the company.
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How Often Should You Change Spark Plugs? Here's What Mechanics Recommend
Your car's spark plugs aren't something you typically think about during regular maintenance, but they do need to be changed. How often should you do it?
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Which HDMI Port You Use On Your TV Can Actually Matter
While most TVs have multiple HDMI ports, they may not all be the same kind of HDMI port. There are different versions of the standard with varying capabilities.
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Why Was The Concorde Discontinued & How Many Crashed When In Operation?
The Concorde was the world's longest-serving supersonic airliner. It could cross the Atlantic in record time. Learn why this particular plane was discontinued.
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What Does Brake Fluid Do And Why Do Cars Need It?
Modern cars have pretty advanced braking systems, and one of the most crucial components is the brake fluid. What does it actually do? Why do cars need it?
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Can A Diesel Truck Jump-Start A Gas Car?
When stranded with a dead car battery, you can get going again with a jump-start from another vehicle. But can diesel trucks jump-start gas cars?
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Why Did Kenworth Stop Making Cabover Semi Trucks? (And Which Was The Last One Made?)
Kenworth manufactured its first cabover semi-truck in the 1930s but is known today for its long-nose conventional semis. Why did it change designs?
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Honda Finally Brought The Hornet To The U.S. (Thanks To A Clever Deal With Ram)
While motorcycle riders in the U.S. were buying the Honda 599 and 919, their European counterparts were buying a Hornet. Learn how a deal with Ram changed that.
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What Happened To The CATE App From Shark Tank Season 4?
The CATE app was a "privacy app" designed for a specific kind of customer. Read all about this app, what happened on the show and where it is today.
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Most Of America's Nuclear Warheads Are Stored In This State, And You Probably Never Even Knew It
While you may assume the U.S. nuclear arsenal is kept in strategic locations, a mass of its warheads are located in an expected state.
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How The First Small Pickup Truck Ever Sold In The US Paved The Way For A Beloved Car Brand
The first small pickup truck in America was introduced at an auto show in the late 1950s and opened the door for one of today's beloved car brands.
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What Does TBO Mean In Aviation, Why Is It Important For Airplane Safety?
Airplanes undergo stress with each flight from speed, altitude, temperature and atmospheric changes, and more. Learn why TBO is so important in aviation.
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Why Do Some Cars Have Vents Behind The Rear Bumper?
Hidden behind the rear bumper or back panel of your vehicle are vents that get used every time you get in and out of your car. Learn why they are there.
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Fixing A Keyed Cybertruck Is Trickier Than It Sounds - Here's Why
The Tesla Cybertruck can be a target for vandals. If you don't know what you're doing, fixing scratches from keying could make the bodywork look worse.
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Why Weren't WW2 Combat Helmets Bulletproof?
While soldiers in battle have long worn headgear for protection, helmets issued during World War II were never meant to be bulletproof. How come?
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How To Use A Shop-Vac For Water
Cleaning up large amounts of water or other liquids with a Shop-Vac is easy. Just follow our pointers to make quick work of any watery mess.
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Who Makes Hummer And Where Are The Cars Built?
Hummer EVs, which trace their origins to military vehicles reconfigured for civilian use, are made at a single plant dedicated to assembling electric vehicles.
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What Is The Largest Engine Ever Put On A Plane?
You might be surprised to learn that the question of the largest plane engine doesn't exactly have a straight answer.
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How Anti-Submarine Rockets Work To Neutralize Their Target
Submarines aren't the only vessels in the ocean that combat submarines. Many surface ships also counter them, but they use anti-submarine rockets.
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Ever Wonder How Monster Trucks Do Full Flips? Here's What You Want To Know
Monster truck shows ooze with entertainment value, but have you ever wondered how drivers are able to get their trucks to do backflips and somersaults?
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The Only James Bond Actor Who Never Drove The Iconic Aston Martin
If you think James Bond always drives an Aston Martin, think again. It might be the spy's most frequently driven car, but one Bond never drove one at all.
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What Does VRM Stand For & How Does One Work?
A VRM is an essential part of every computer, but even many computer-savvy enthusiasts don't know what it is or how it works. We'll explain all.
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Think Twice Before Buying Ryobi Batteries On Amazon: Here's Why
To power Ryobi tools, you need Ryobi batteries. You should also know which batteries to buy, how to take care of them, and importantly, where to buy them.
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