When you get back on the field and do things, any doubts you've developed leave. The more consistent you become, the fewer doubts you have.
“The sensors have many potential practical uses - in Government buildings, train carriages, cargo containers, on a soldier's lapel - and are a thousand times cheaper than current sensors that are used for the same purpose.”
“Design is not making beauty, beauty emerges from selection, affinities, integration, love.”