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Affordable dual-motor 2WD ebike easily conquers 40-degree slopes

July 05, 2024
Fat-tire ebikes pretty much always make for smile-packed off-road fun, but is one motor enough to power the ride? Oddly named maker Lankeleisi clearly doesn't think so, as evidenced in the X3000 Max adventure folder with dual 1-kW motors.

Ribbontail rays produce their dazzling blue spots without pigments

July 05, 2024
The Disney-esque hues on bluespotted ribbontail rays come from a unique arrangement of nanostructures, say researchers. The findings, along with those gleaned from studying blue sharks, could help lead to new chemical-free color techniques.

Wi-Fi radar security system maps your home and tracks everyone in it

July 05, 2024
Wi-Fi security usually means keeping virtual intruders out, but a new system claims to use Wi-Fi networks to detect physical intruders. Gamgee’s Wi-Fi Home Alarm System can learn to recognize people who belong there and alert you to strangers.

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