› added 10 years ago

125

TIL that the grippy texture on metal tools is called Knurling

Read more wikipedia.org

via reddit.com

Y4DG TIL Apple is purposely slowing down your iphones with software upgrades designed to significantly slow down older models and force users to upgrade to new model. It’s a marketing practice called “planned obsolescence”.
VM6gk TIL, In 1887, a group of men added a name Susanna M Salter to the mayoral ballot of Argonia, Kansas, as a joke intended to humiliate women. Instead, she won over 60% of the votes and became America's first female mayor.
8aZeP TIL that when crowds get as dense as 6 or 7 people per square meter, they begin taking on the characteristics of fluids. This can lead to "crowd crushes," where waves propagate through the group and push people into tight spaces, crushing them to death.
wrKJ TIL that a 2014 study found that mothers living within 10 miles of a natural gas fracking site were 30% more likely to have babies with congenital heart defects than those without.
woLY1 TIL: The small village of Embo in the Scottish highlands declared itself independent from the UK for 1 day in 1988