02:2902:29, 10 February 2015diffhist+38
Burning glass
→History: Requesting citiation for Proclus use of burning glasses due to conflict on Vitalian_(general) page which refers to sulphur-based chemical substance
15:0415:04, 5 February 2015diffhist+43
Nabta Playa
Updating the broken link to the archive.org link: https://web.archive.org/web/20110806140123/http://www.comp-archaeology.org/WendorfSAA98.html
11:4711:47, 2 October 2014diffhist−56
Fuel cell
→Submarines: Removing sentence: "It is not known if any such submarines have been built." The sentence makes no sense. Clearly if someone built them, someone does know they were built.
02:2902:29, 10 February 2015diffhist+38
Burning glass
→History: Requesting citiation for Proclus use of burning glasses due to conflict on Vitalian_(general) page which refers to sulphur-based chemical substance
15:0415:04, 5 February 2015diffhist+43
Nabta Playa
Updating the broken link to the archive.org link: https://web.archive.org/web/20110806140123/http://www.comp-archaeology.org/WendorfSAA98.html
11:4711:47, 2 October 2014diffhist−56
Fuel cell
→Submarines: Removing sentence: "It is not known if any such submarines have been built." The sentence makes no sense. Clearly if someone built them, someone does know they were built.