If you want to give a mathematician something to try to wrap their head around, a Klein bottle is a good place to start. A real Klein bottle is an object with no inside and no outside that can only exist in four dimensions. These glass models exist in three, which means that unlike the real thing, they can actually hold liquid. $35
Klein Bottle | EPICthings
stately garden design portfolio > denbighshire » Andy Sturgeon
"Courage doesn't always roar. Sometimes courage is the little voice at the end of the day that says I'll try again tomorrow." ~Mary Anne Radmacher
Installation by Spanish collective Fos
Italian workers used an art installation to protest the immense number of job losses in the construction sector. 10,000 yellow helmets were placed in front of Milan’s stock exchange as workers, laborers, clerks, surveyors, architects and real estate agents made a statement on their ‘la giornata della collera’ – ‘the day of anger’.
installation by construction workers at milan's stock exchange
Muse :: Richard Erdman Stone sculpture gallery features works in marble, travertine & granite.