News & Social

Yarra River in Flood

Following heavy rains across parts of Victoria in the past week, many of the state’s rivers are swollen.

— 13 June 2021 via The Grapevine.

A poster with a QR code printed on it in a restaurant

Making contact tracing difficult in Victoria

Why doesn’t Service Victoria’s Contact Tracing Check-In app have a web-based option for users with obsolete or unsupported mobile phones?

— 7 June 2021 via The Grapevine.

Cumulative totals by group in R

Use Tidyverse’s dplyr package in R to add cumulative totals to a table based on group.

— 4 June 2021 via Coding Blog.

Features

The Story of Flowers

How do plants know when to flower? Many people think it’s a matter of day length or the addition of fertiliser, but you’ll see that flowering is a far more sophisticated process.

Melbourne Neon

Discover Melbourne’s rich neon heritage with pictures and videos of fifty of the city’s most important heritage neon signs including the Skipping Girl, Pelaco and Allen’s neons plus the Nylex Clock.

Photologium

Photologium is my commercial photography website. View the galleries, purchase prints or enquire about licensing my photographs for your next project.

Free Fonts

I have developed some fonts, which are available free for personal use. (Donations gratefully accepted). These include the “Hazchem” chemical safety font and the “Plant Breeder’s webfont”.

Research

A complete list of my scientific reseach publications.

Melbourne Buildings

Discover some of Melbourne’s finest architecture - both old and new. This site contains detailed information on over 50 buildings, plus photos and maps.