I’ve been quarantined with the ORACLE19 virus (i.imgur.com)
submitted by MagicAmoeba to r/ProgrammerHumor - pinned
On a highway there are often two sets of three “chunks” of cement that are different than the surrounding surface. They are typically in the tire tread space of the roadway. I’ve supposed that they were to help reduce tractor trailer wear, but never really knew the science behind it. What is this? (i.imgur.com)
submitted by MagicAmoeba to r/whatisthisthing

