text: He contunes in pargraph seven citeing other NASA approaches to haveing machines last longer on the surface of Venus. That if by useing mechanical computers and simplifyed electronics made of silicon carbide they can withstand the heat alot longer. In comparson to todays modern electronics which don't use gears and levers that can be built to withstand heat. The author cites this beacuse he wants the reader to know NASA is thinking of possible ideas of sending a durable machine to Venus, to withstand the chaos of the surface and send data back to people on Earth.