Young spirals get older

Get them while they're young.

Sound Spirals

Sound Spirals are part of an ongoing project attempting to interpret sound in a physical medium: sculpturally, mathematically, and irreversibly. They demonstrate different processes for creating data visualisations of recorded audio in the form of 3D printed sculptural art using open source programming tools and audio software (Processing and Audacity) and contemporary 3D printers including the...

Pentagram Spirals

The pentagram map is a projectively natural map defined on the space of ngons. The case n = 5 is classical; it goes back at least to Clebsch in the 19th century and perhaps even to Gauss. Motzkin [Mot] also considered this case in 1945. I introduced the general version of the pentagram map in 1991. See [Sch1]. I subsequently published two additional papers, [Sch1] and [Sch2], on the topic. Now ...

Helping older people get the eye care they need

Despite being more affected by visual impairment and blindness than any other population group, older people are the group least likely to seek help when faced with eye problems or a deterioration of their vision. Even in the Kilimanjaro region in Tanzania, one of the few regions in Africa to have an excellent community eye care programme, it is estimated that only one in three older people wit...

The older I get, the better I used to be.