"After class, students returned to phones, tablets, and laptops, bouncing between social feeds and bite-sized explanations of material they never sat with for very long. Horvath described the outcome as students trained to skim. Skimming feels efficient, but it doesn’t build depth."
As others said, dish soap over IPA. I've also had shite PLA before as others mentioned. Find a good brand and stick with it. Also, magigoo is amazing. Basically glue but not glue. Designed to stick when the bed is hot then release when it cools. I add magigoo any time I have a long print where I worried about potential warping or lifting.