With 3D printed arms of fixed measurements, the depth reading from a set of digital calipers can be used to calculate the radius of a curve. Specialized tools that focus on one particular job tend to ...

The radius of a circle or a sphere is the distance between the center and the edge. The radius can be used to calculate a circle's diameter, area and circumference. Likewise, a sphere's volume is ...

It is always cool to repeat classic experiments. How many of us know the radius of the Earth because we determined it on our own? I haven't done this, at least not yet. For all my life I have just ...

18:01, Sun, Sep 20, 2020 Updated: 15:17, Sun, Oct 18, 2020 Google Maps, with its satellite imagery, aerial photography and Street Maps has revolutionised how people get from point A to point B. Users ...