Radio frequency identification (RFID) tags, those ribbons of metal with a tiny chip, are found in countless objects. From key fobs and payment cards to library books and inventory in a factory, these embedded inexpensive tags provide a way to uniquely and wirelessly identify objects.
People suffering from the early symptoms of Alzheimer’s disease often have difficulty remembering things that recently happened to them. As the disease takes root, a person’s reasoning and behaviour can change. Day-to-day routines — like handwashing — may become challenging for them and they begin to need more assistance from caregivers for simple tasks.
“From my readings, I have stumbled upon your great website, which is … helping me understand the nature of polyhedra. I have a question regarding the structures you have posted on your site. I am not a mathematician; I am a biologist and therefore my question might sound downright naïve. The structure in question is the near-miss Johnson solid …”