Robert & Annelies' Homepages
Aug 14, 2012 by Robert
Locks and keys are an everyday part of our lives … how could we secure anything without them ? Here’s some background on their development.
Jun 8, 2012 by Robert
Solar cells, or photovoltaic cells, convert energy from sunlight into electricity… but how? What principles lie behind this technology?
Apr 10, 2012 by Robert
Ideas changed the World : The invention of printing & the printing press like many innovation sevolved over time but there was one seminal moment when the printing press exploded on the scene and changed society forever.
Mar 16, 2012 by Robert
Concrete is not a modern material. Did you know the Romans used it? But who discovered it and how long ago was it used?
Mar 13, 2012 by Robert
We take for granted the humble nail and screw when doing some DIY. But if we didn’t have them everything would fall apart, literally. So where did they origanate from ?
Feb 24, 2012 by Robert
Pykrete is a real substance made from wood chips and ice with fantastical properties that were actually considered for use in building Royal Navy aircraft carriers during WW II.
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