James Bruton loves to experiment with unusual vehicle drive systems and configurations to find out how they perform under the dynamic conditions of real-world use. Internal combustion engines and driveshafts don’t tend to fit in those vehicles, so Bruton often utilizes electric motors. He usually turns to Arduino to control the motors and read the […]
In the Back to the Future films, the iconic DeLorean time machine had to reach 88mph in order to jump forward or backward in time. Even in 1985, it wasn’t very hard for a family sedan to reach 88mph, but that’s not the point. To show viewers the car’s current speed and increase tension, the prop designers […]
“Human-machine interface” (HMI) is a general term that describes any physical input or output hardware that people can use to interface with systems (like computers) and vice versa. That very broad definition usually applies to computer input devices like keyboards or output devices like monitors. The move towards touchscreens represented a fundamental shift in HMI […]
A CT (computed tomography), or CAT (computed axial tomography), scan is a type of medical imaging technique in which multiple X-ray “slices” come together to form a pseudo-3D model. CT scanners are the kinds of medical equipment that are so expensive that manufacturers don’t even bother listing prices on their websites. Suffice it to say […]
Stepping on LEGO bricks is a meme for a reason: it really @#$%&! hurts. LEGO brick design is ingenious, but the engineers did not consider the ramifications of their minimalist construction system. We’ve seen people do crazy things for Internet points, such as walk across a bed of LEGO like they’re hot coals — or […]
Every car sold in the last few decades is equipped with an engine control unit, or ECU for short. Its job is to control nearly every aspect about the vehicle’s performance by reading various sensors and acting upon those inputs accordingly. However, some older rides aren’t nearly as performant as they could be, which is […]
There was a period in the late ‘70s and into the ‘80s when typewriter manufacturers tried to keep up with the tide of the digital age. Personal computers were hitting prices that middle-class families could justify and even the most basic models were far more practical than the best typewriters on the market. During this […]
Many power tools have the potential to cause serious harm, but few are as dangerous as table saws. But table saws are also indispensable for woodworking, which means that people are willing to risk their fingers to use them. There is a manufacturer called SawStop that builds table saws that automatically stop the blade if […]
An omni wheel, sometimes referred to by the more specific trade name “Mecanum” wheel, is a unique type of wheel with “tread” made up of several rollers oriented at an angle relative to the wheel’s spin direction. They allow for forward driving like any other wheel, but also sideways and rotational locomotion depending on the […]
You’ve probably heard that caffeine is a drug. That is true and it is possible to overdose on caffeine and die. Heathline reports that a lethal dose of caffeine is around 10 grams. But a typical cup of coffee only contains around 100-200 milligrams of caffeine, so you’d have to drink at least 50 cups […]
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