Jacque Fresco died
Jacque Fresco was was an American futurist and self-described social engineer. Fresco wrote and lectured his views on sustainable cities, energy efficiency, natural-resource management, cybernetic technology, automation, and the role of science in society.
Fuzhou Metro opened
Located in Fuzhou Metropolitan Area, Fujian Province, China, the Fuzhou Metro Network consists of four lines. It has 114.2 km of route and 78 stations open to service.
2015 Colombian landslide
A major landslide hit the town of Salgar, in Antioquia, Colombia. At least 78 people died in the disaster, making it the deadliest single-event disaster in Colombia since the 1999 Armenia, Colombia earthquake.
1980 eruption of Mount St. Helens
On the morning of May 18, 1908, a M 5.1 earthquake struck at a depth of about 1,6 kilometers below the north flank of the volcano. The seismic shock triggered what is known as the largest landslide ever recorded. The landslide occurred approximately 20 seconds after the seismic shock causing the whole flank of the mountain to collapse. 57 people were reported dead, most of them dying from asphyxiation after inhaling hot ash. According to the USGS, the total volume of the material removed was 2.79 cubic kilometers, an equivalent of 1,116,000 Olympic-size swimming pools.
Oliver Heaviside was born
Oliver Heaviside was an English self-taught mathematician and physicist who invented a new technique for solving differential equations (equivalent to the Laplace transform), independently developed vector calculus, and rewrote Maxwell's equations in the form commonly used today. Heaviside changed the face of telecommunications, mathematics, and science.
