Navarre Bartz – Page 19 – WindowsTechs.com

Fast Charging a Cargo Bike from an Electric Car Charger

Posted on September 18, 2023 by Navarre Bartz

A silver front loader cargo bike sits in a parking lot in front of an electric vehicle charger. A cable runs from the charger to the bike.

Fast charging is all the rage with new electric cars touting faster and faster times to full, but other EVs like ebikes and scooters are often left out of the …read more Continue reading Fast Charging a Cargo Bike from an Electric Car Charger→

Coning Cars for Fun and Non-Profit

Posted on September 16, 2023 by Navarre Bartz

Two white Chevy Bolt hatchbacks sit side-by-side, immobilized in the street, their roofs festooned with sensors and an orange cone on their hoods like a snowman's nose pointed toward the sky.

Self-driving cars are being heralded as the wave of the future, but there have been many hiccups along the way. The newest is activists showing how autonomous vehicles are easy …read more Continue reading Coning Cars for Fun and Non-Profit→

Students Set EV Acceleration World Record

Posted on September 14, 2023 by Navarre Bartz

A black race car with white text of sponsors moves across an asphalt surface. There is a blue wall and a green, grassy field in the background. The car has white and red stripes as well.

Humans have a need for speed, and students from the Academic Motorsports Club Zurich (AMZ) have set a new acceleration record for an electric vehicle with a 0 to 100 …read more Continue reading Students Set EV Acceleration World Record→

Building a Cargo Bike Dream

Posted on September 12, 2023 by Navarre Bartz

A silver and black bike sits in front of a dark grey bridge. It is on a hard surface next to green grass. The bike has a large basket area in front of the steering tube that then connects to the front wheel which is at the other end of the basket from the handlebars. It is best described as a long john bike, but is a more modern take on it than the wooden box Dutch bike.

Cargo bikes can haul an impressive amount of stuff and serve as a car replacement for many folks around the world. While there are more models every year from bike …read more Continue reading Building a Cargo Bike Dream→

Share Your Feelings Like a Spy

Posted on September 8, 2023 by Navarre Bartz

An aluminum box sits on a workbench. It is open and has a message saying "I Love You!" inserted in a wooden slot. There is a switch with a yellow LED on the front and a small compartment to the left of the wooden slot to store paper.

While hackers can deftly navigate their way through circuit diagrams or technical documentation, for many of us, simple social interactions can be challenge. [Simone Giertz] decided to help us all …read more Continue reading Share Your Feelings Like a Spy→

Open Source Waterwheel

Posted on August 20, 2023 by Navarre Bartz

A series of trapezoidal steel "buckets" attached together to form a metal water wheel. They are arranged around a square center frame that attaches to a hub for the wheel to spin about. The wheel is next to a stream and four people of various ages appear to be talking around it. A cinder block building with a metal roof is in the left background, and an older, yellow stone building is far off in the distance on the right of the image. The landscape is lush, green, and mountainous.

Here in the West, power going out is an unusual event. But in more remote regions like the Himalayas, reliable electricity isn’t a given. A group of local craftspeople, researchers, …read more Continue reading Open Source Waterwheel→

The Mysterious Case of the Disappearing Inventor

Posted on August 19, 2023 by Navarre Bartz

Two nearly-identical black and white images of a solar installation on top of a roof in NYC. The left image purports to be from 1909 while the other says it is from 1884. Both show the same ornate building architecture in the background and angle of the panels.

When combing through the history of technological innovation, we often find that pinning down a given inventor of something can be tricky. [Foeke Postma] at Bellingcat shows us that even …read more Continue reading The Mysterious Case of the Disappearing Inventor→

Cooling Off the Bus Stop

Posted on August 18, 2023 by Navarre Bartz

A series of tubes wound up and down as modules in a metal-framed, free-standing wall. The wall is inside a climate-controlled test chamber with a series of differently-colored tubes running behind the free-standing wall.

If you’ve taken the bus in the summer, you know it can get hot while you wait on your ride, even if there is a roof over the stop. Researchers …read more Continue reading Cooling Off the Bus Stop→

Fluorescent Filament Makes Object Identification Easier

Posted on August 17, 2023 by Navarre Bartz

Four images in as many panes. Top left is a fuchsia bottle with a QR code that only shows up on the smartphone screen held above it. Top right image is A person holding a smartphone over a red wristband. The phone displays a QR code on its screen that it sees but is invisible in the visible wavelengths. Bottom left is a closeup of the red wristband in visible light and the bottom right image is the wristband in IR showing the three QR codes embedded in the object.

QR codes are a handy way to embed information, but they aren’t exactly pretty. New work from MIT’s Computer Science and Artificial Intelligence Laboratory (CSAIL) have a new way to …read more Continue reading Fluorescent Filament Makes Object Identification Easier→

A DeLorean with an Electrifying Secret

Posted on August 16, 2023 by Navarre Bartz

A DeLorean sitting on patchy snow next to a driveway. It's angled away from the viewer to the left showing off the open engine compartment with bright orange high voltage lines coming out of a square metallic charger box.

There are few production cars with as much geek cred as the DMC DeLorean. If you want to kick the nerdiness up a notch without doing a full Back to …read more Continue reading A DeLorean with an Electrifying Secret→