Testing a new technology, an AP photographer focuses on a hurdler’s eyes from an unusual angle

AP photographer Petr David Josek said being at the finish line gives you a chance to try some new angles specially when ...
pv magazine International

Optimum tilt angle for PV systems ranging from 0° to 90°

A Slovak research team has developed a mathematical model for determining the optimum tilt angle of a solar system ranging from 0° to 90°. Their framework was tested on an experimental setup in ...

Anterior Pelvic Tilt, Explained: How the Angle of Your Hips Can Throw Your Entire Body out of Alignment

If you've been more sedentary than usual—speaking totally hypothetically!—better posture and alignment might start with your hips.
GitHub

gears.scad

The term "involute" refers to the shape of the teeth: the curves of the teeth are involutes of circles, which are curves that optimize gear performance. Figure 1.1.2: The three marked circles are key ...
digitalcameraworld

The best smartphone gimbals for iPhones and Android phones: make your phone footage silky smooth

The best smartphone gimbals make it trivially easy to shoot super-smooth video. Even the best stabilization systems can't fully ward off the effects of a shaky hand, and with a dedicated gimbal, you ...
GitHub

skin.scad

This file provides functions and modules that construct shapes from a list of cross sections. In the case of skin() you specify each cross sectional shape yourself, and the number of points can vary.