Back in the ’90s, Cyril Rossignol had a dream of controlling his model railroad with his computer. While that was possible at the time, it wasn’t easy and would have required some serious skill with hardware and programming. But today, thanks to development boards like those from Arduino, this is a much more accessible project. […]
There are many different fluid pumping mechanisms to choose from, but the peristaltic pump is a great choice when you don’t want the liquid to contact any moving parts. That is ideal for beverage dispensers and medical equipment, because the liquid only touches the tube it runs through and that is easy to clean or […]
Bone density, strength, and coordination all decrease as we age, and this fact can lead to some serious consequences in the form of slips, falls, and other accidents. In Finland, falling is the most common type of accidental death among those age 65 and over, amounting to around 1,200 per year. But Thomas Vikstrom hopes […]
Tanks are already quite maneuverable, because the tracks allow them to rotate in place. But what if they were even more maneuverable and could drive in any direction? About a year ago, James Bruton built a small robot tank that had that capability thanks to a triangle-shaped track system with omniwheel-style rollers. But it had […]
Firefighting is a dangerous profession, but it is possible to mitigate some of that danger with good data. When firefighters entered a burning building, their biggest fear is the unknown. They don’t know if they can trust the structural integrity of the building, if there is a pocket of toxic or explosive gas, or how […]
VFDs (vacuum fluorescent displays) were common a few decades ago and have a nice, distinct glow that many find appealing. But like Nixie tubes and CRTs, VFDs have are outdated and almost obsolete at this point. They can’t come close to matching the price or functionality of modern LCD and OLED screens, but they still […]
In care facilities and hospitals, being able to tell when beds are occupied or free is vital knowledge for the staff, as they can move onto other tasks more quickly with up-to-date information. Adam Milton-Barker’s hospital bed occupancy detection system aims to accomplish this goal by combining embedded machine learning models and connected hardware for gathering real-time […]
These days, everyone seems to turn to robots for automating tasks in the physical world. But robots are often clumsy and unreliable — not to mention expensive. Trains, on the other hand, are famous for their reliability. With that in mind, YouTuber James Whomsley designed a model train railway to bring coffee from his kitchen […]
Humans are animals and like all animals, we evolved in mostly outdoor conditions where the air is nice and fresh. But modern society keeps most of us indoors the vast majority of the time, which could have negative health effects. There are many potential hazards, including a lack of sunlight and psychological effects, but CO2 […]
Model railroading is a popular hobby going back more than a century, but which has remained largely unchanged for many decades now. The typical model railroad uses an electric locomotive with a motor powered through the rails by DC current, with the polarity of the power supply determining direction and voltage determining speed. But development […]
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