The Pre-toddler Inhalable Particulate Environmental Robotic (PIPER) sampler is a four-wheeled robot used in environmental health studies to mimic a child’s movement and sample air quality at their height.

Robert Piper is a high-level Australian diplomat with over 30 years of experience in international development and humanitarian response. In May 2022, he was appointed by the UN Secretary-General as the .

He has served in critical roles across the globe, including as the UN Resident and Humanitarian Coordinator in Nepal (2008–2013) and the Regional Humanitarian Coordinator for the Sahel region (2013–2015).

Featured in a Guardian long-read , Rob Piper is a 44-tonne DAF XF lorry driver in the UK whose story highlights the daily struggles, isolation, and mental health challenges of the trucking industry.