make a non-newtonian fluid with cornstarch it changes from fluid to solid when force is applied
use static electricity to light your gas stove
behold the mighty chain trencher
mad skills
the forgotten beauty of brick and stone based cities
image image image
Fibonacci sequence of the milky way 📄.pdf image
image Oxalis Palmifrons
image The pale blue dot of earth
tub spout replacement 
amish construction timelapse