Technology

Laser Bike Lights: From Virtual Lanes to Projected Bike Symbols

A deep dive into the history of bicycle laser lights, from early ‘virtual lane’ concepts to today’s projection lights, with a look at which products are still on the market and which have disappeared.

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E Bike Battery Fires Separating Hype From Real Risk

Are e-bike battery fires common? A data-driven look at how often they happen, what causes them, and simple steps riders can take to stay safe.

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Bike Radar Lights: How Rear Sensors Became the New Safety Upgrade

Rear-view radar lights started as niche Garmin gadgets and are now a whole ecosystem: Garmin Varia, Wahoo Trackr, Trek CarBack, budget radars from Magene and Magicshine, plus experimental projects like Loud Bicycle’s Commute Guardian.

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The Psychoacoustics of the Two-Tone Horn

Why car horns use two notes to hack the auditory system: an analysis of spectral loudness summation, critical bands, and neural recruitment.

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When Bikes Honk Like Cars

What a podcast interview taught me about building a car-horn-loud bicycle horn, driver reflexes, and the gap in bike infrastructure.

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