By Keegan Frances Think of nanotechnology and you’re likely to think of tiny cunning robots. But this is far from the truth. As The Wonders of Nanotechnology workshop demonstrates, nanotechnology appears frequently – and usefully – in our current life. Chris Botha, owner of Orbilectron Consulting, listed these. One is the medical process commonly referred to as an angiogram. Doctors can insert a thin hollow tube through an artery in the groin or arm to get x-ray images of blood vessels. This helps them evaluate and diagnose coronary heart disease. In some cases, this procedure is used to treat blocked…
Author: Gillian Rennie
Technology failed Scifest’s very first lecture on Wednesday when Antarctic adventurer Danielle Taljaard was almost silenced by a power outage. With no visuals and little light, Taljaard’s eager audience came to the rescue. Their questions about how she lives and works on a block of ice where nothing moves in winter, plus a well-placed cellphone torchlight, meant the show could go on. A radar engineer’s day (and night) job by Sphumelele Ndlovu A radar engineer, Taljaard explained, studies the movement of energy from radiation to pick up patterns that lead her to more accurately predict weather and the occurrence of…