420 sailboatmastsailing loadsshroudsstrain analysisAim of the work was the experimental strain analysis of a 420 sailboat mast during sailing: this type of data is of great interest in the structural design of sailboat masts and hulls as well as in the sail-making. The work involved the ...
Researchers from Canadian universities examined 25 years of official crash data from the United States, comparing the cases that happened after 4:20 p.m. on April 20 with the ones on control days from 1992 to 2016. The "420 marijuana day" is popular mainly in the United States and Canada....