The Apple Watch and Microsoft Band use optical sensors to measure heart rate. The Jawbone Up3, which instead tracks your resting heart rate,  uses bioimpedance sensors and several electrodes to measure your skin’s resistance to a small amount of electrical current.

The Apple Watch and Microsoft Band use optical sensors to measure heart rate. The Jawbone Up3.

You can focus on things that are barriers or you can focus on scaling the wall or redefining the problem. Steve Jobs

The Apple Watch and Microsoft Band use optical sensors to measure heart rate. The Jawbone Up3, which instead tracks your resting heart rate,  uses bioimpedance sensors and several electrodes to measure your skin’s resistance to a small amount of electrical current.

Figures & Captions

Chasing the blonde dragon is still a genuine plight, because the grass is always. There’s a misguided notion that natural beauty products just don’t do the job as well as conventional creams and cleansers. While that may be the case for some, i’ve found that many natural products are even better than the drugstore brands.

 

The headphone wars have begun

Chasing the blonde dragon is still a genuine plight, because the grass is always. There’s a misguided notion that natural beauty products just don’t do the job as well as conventional creams and cleansers. While that may be the case for some, i’ve found that many natural products are even better than the drugstore brands.

Heads up!
DOT40 will be closed Sept 10–30, 2025 while our team competes at the IPSC Handgun World Shoot (and takes a little break).

✅ You can still place orders online.
📦 Orders will be processed once we’re back in October.

Thanks for your support!

— DOT40 Team