Home /Development Updates

Development Updates

Subscribe for Updates

Not Gay-Lussac's Law

Submitted by ams on Thu, 05/24/2012 - 12:34

Crushing a can by heating it, sealing it and cooling it rapidly is an excellent demonstration of the existance of atmospheric pressure. Many youtube videos describe the crushed can as an illustration of either Charles' Law or Gay-Lussac's Law. I don't agree.

Javascript code to convert light wavelength to color

Submitted by ams on Sun, 04/15/2012 - 20:09

In the electromagnetic spectrum illustration and light color, frequency and wavelength post, I needed to calculate color from wavelength value. I tried a few different approaches but finally settled on a modified version of some widely cited FORTRAN code for determining RGB values.

Light Color, Frequency and Wavelength Illustration

Submitted by ams on Fri, 03/16/2012 - 14:49

Beginning work on an illustration covering the relationship between the frequency

Draw an oval in html5 canvas

Submitted by ams on Thu, 03/08/2012 - 15:53

The JavaScript canvas element does not have a native method for drawing ovals (ellipses).

Tides draft V2

Submitted by ams on Wed, 01/25/2012 - 10:02

Tides draft V1

Submitted by ams on Thu, 01/19/2012 - 08:34

UPDATE: Final illustration posted - Lunar and Solar Tides

Drawing regular polygons in javascript canvas

Submitted by ams on Tue, 01/17/2012 - 10:01
Geometric shapes such as regular polygons are useful building blocks for drawing more complex elements within JavaScript canvas tags. The following block shows 3, 4, 5, 6, 7, 8, 9 and 10 sided regular polygons.