Javascript

Iran missiles launched during military exercises, 2009

In the last few years, missiles and launch systems have become the new bargaining chip in international diplomacy.
Unfortunately, some can actually deliver nuclear weapons straight to your door.

Have you ever wondered what would happen if a nuclear bomb goes off in your city? With Google's Maps framework and a bit of Javascript, you can see the outcome. And it doesn't look good.

Our Google Chart version of the Spyrograph toy was due for a refresh - we realised that several users are coming every day to see it, and the script was not easy to use.

Time to clean our script and publish it in a separate page.

The recent upgrade to the Google Chart API brings new types of charts with interesting possibilities. One of them, the Radar Chart, is well suited to be used as foundation for our new Wind Rose gadget.

Using JavaScript, RSS and two APIs from Google, we can cook our own weather station.

Have you ever wondered what would happen if a nuclear bomb goes off in your city? With Google's Maps framework and a bit of Javascript, you can see the outcome.
And it does not look good.

Charts for the Web has always been a hassle: get the data, validate it, use graphical libraries, work out the axis, render data on screen. Etc.

Now there's an elegant alternative in the Google Chart API.

The Google Chart API allows any developer to produce a chart by submitting a URL. The result is a nifty image of your data that can be embedded in any webpage. Cool.

Have you ever wondered what would happen if a nuclear bomb goes off in your city?

With Google's Mapplet framework and a bit of Javascript, you can see the outcome.

And it does not look good.

Preparing the Blast

A Mapplet is a convenient map that can be addressed by latitude and longitude, and it supports certain events and methods.

This script is also available as a Map API application, running off your browser.

This version of the ubiquitous automaton -in straight Javascript- started as a demonstration about accessing the HTML Document Object Model (DOM).

The idea popped out after reading an article about John von Neumann, and his model for a self-replicating machine. This problem was in turn the inspiration for John Conway to devise The Game of Life.
A very good description of the game and its rules can be found in this link to Wikipedia

Not all browsers are born equal

This free graphical mortgage calculator is designed with simplicity in mind: just enter the numbers and click the button.

The graphical display will show the repayments of principal versus interest over the life of the loan. Clicking over the graph, in the gold area, will output a text explanation of the repayment for that year in the graph.