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SmartHalo 2 bike computer puts fitness info in a cyclist's field of view

Posted on May 31, 2019 by Nick Lavars

The original SmartHalo was a neatly designed cycling accessory that didn't overcomplicate the problem of navigation, ...

There are more than a few ways for cyclists to find their way around without pulling out their smartphone these days, from audio devices that mount to your helmet to belts that buzz when a turn needs to be made. The SmartHalo was a particularly pretty solution that caught our eye back in 2015, and now its creators are back with a new and improved version that promises greater connectivity and puts fitness data right in the rider’s line of vision.

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Category: Bicycles

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A Bolt-On I2C Navigation Key for Your Next Project

Posted on April 11, 2019 by Tom Nardi

We often talk about the advantages of modular hardware here at Hackaday; the ability to just order a few parts online, hook them up with some jumper wires, and move onto the software side of things is a monumental time saver when it comes to prototyping. So anytime we see …read more

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Simple Hand Tools Turn Brass and Steel Into An Amazing Astrolabe

Posted on February 9, 2019 by Dan Maloney

There’s something enchanting about ancient tools and instruments. The idea that our forebears were able to fashion precision mechanisms with nothing but the simplest hand tools is fascinating. And watching someone recreate the feat, such as by building an astrolabe by hand, can be very appealing too.

The astrolabe is an ancient astronomical tool of incredible versatility, allowing the user to do everything from calculating when the sun will rise to predicting the positions of dozens of stars in the night sky. That it accomplishes all this with only a few moving parts makes it all the more fascinating. [Uri …read more

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What Happens if the Magnetic North Pole Keeps Rushing Toward Siberia?

Posted on February 5, 2019 by Becky Ferreira

On Monday, the World Magnetic Model was updated to account for the north pole’s eccentric behavior, after a delay caused by the US federal shutdown. Continue reading What Happens if the Magnetic North Pole Keeps Rushing Toward Siberia?→

Scientists Can’t Fix Map of Earth’s Magnetic Field Thanks to the Government Shutdown

Posted on January 10, 2019 by Sarah Emerson

The federal government was set to update the World Magnetic Model but had to delay it because of the shutdown. Continue reading Scientists Can’t Fix Map of Earth’s Magnetic Field Thanks to the Government Shutdown→

How Etak Paved the Way to Personal Navigation

Posted on June 29, 2018 by Dan Maloney

Our recent “Retrotechtacular” feature on an early 1970s dead-reckoning car navigation system stirred a memory of another pre-GPS solution for the question that had vexed the motoring public on road trips into unfamiliar areas for decades: “Where the heck are we?” In an age when the tattered remains of long-outdated paper roadmaps were often the best navigational aid a driver had, the dream of an in-dash scrolling map seemed like something Q would build for James Bond to destroy.

And yet, in the mid-1980s, just such a device was designed and made available to the public. Dubbed Etak, the system …read more

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Retrotechtacular: Car Navigation Like It’s 1971

Posted on June 17, 2018 by Dan Maloney

Anyone old enough to have driven before the GPS era probably wonders, as we do, how anyone ever found anything. Navigation back then meant outdated paper maps, long detours because of missed turns, and the far too frequent stops at dingy gas stations for the humiliation of asking for directions. It took forever sometimes, and though we got where we were going, it always seemed like there had to be a better way.

Indeed there was, but instead of waiting for the future and a constellation of satellites to guide the way, some clever folks in the early 1970s had …read more

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MIT Invented a Tool That Allows Driverless Cars to Navigate Rural Roads Without a Map

Posted on May 7, 2018 by Tracey Lindeman

Mapping rural areas is a barrier to autonomous vehicles operating in those areas, but cars might not need maps at all. Continue reading MIT Invented a Tool That Allows Driverless Cars to Navigate Rural Roads Without a Map→

Shoes That Tell You Where to Go

Posted on April 14, 2018 by Kristina Panos

The worst thing about walking around while trying to follow directions is that you have to keep looking down at them to get the next turn. At best, you’ll miss out on the scenery; at worst, you might walk into traffic.

Wouldn’t it be great if you didn’t have to look down? Yes it would, and with Walkity, there’s no need to look down. Walkity is a set of cuffs that slip on the backs of your shoes, pairs with your phone, and uses haptic feedback to tell you where to go. Each one has an Arduino Mini Pro, an …read more

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Using Moiré Patterns To Guide Ships

Posted on April 7, 2018 by Steven Dufresne

[Tom Scott] ran across an interesting visual effect created with Moiré patterns and used for guiding ships but we’re sure it can be adapted for hacks somewhere. Without the aid of any motors or LED animation, the image changes as the user views it from different angles. When viewed straight on, the user sees vertical lines, but from the left they see a right-pointing arrow and from the right, they see a left-pointing arrow. It’s used with shipping to guide ships. For example, one use would be to guide them to the center point of a bridge. When the pilots …read more

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