Lighthouse Lamps Through Time

“The ingenuity of man is truly amazing and this can easily be seen in the odd collection of techniques used for the illumination of lighthouses across the centuries. Lighthouse illumination began with simple wood fires and progressed through generations of other methods.”

“Even the oil lamp began in simplicity and evolved into a machine with multiple wicks, clockwork oil pumps, specialized chimneys, hydraulic, pneumatic, and other variants. This story will take you through the history of illumination methods in lighthouses.”

Read more: Lighthouse lamps through time, Thomas Tag.

Roman Refrigerators

Archaeologists are trying to definitively establish if mysterious shafts discovered at Switzerland’s extensive Augusta Raurica site in 2013 could have been ancient “refrigerators”. It is likely that the Romans used shafts like the four-metre deep examples at Augusta Raurica – some 20 kilometres from Basel – as cool stores during summer. [Read more…]

Windmill on Ice or Water Bearings Has Low Friction at Low Cost


Simon Gripenberg, an artist from Finland, developed new types of vertical windmills, inspired by ancient Persian windmills and built from recycled materials. Most interestingly, the windmills float in water or spin on ice, so that Gripenberg manages to obtain low friction at low cost. [Read more…]

No Tech Reader #18

Think Outside the Sewer

“Shit can move on trucks.” [Read more…]

The Internet Unplugged

“At first glance, it seems like the ultimate paradox: A magazine that exists only on the internet, filled with content that can only be consumed once a would-be reader has disconnected from the internet. But that’s exactly the kind of contradiction founder Chris Bolin says he was going for when he created his new magazine, The Disconnect, which launched in February.” Read more: A new digital magazine forces you to unplug from the internet.