Perhaps increasing concern for safety, and liability, and more recently, regulation of narcotics and explosive supply chains.
It's a meme that a 1950's and earlier chemistry set couldn't be sold now, for all of the above. But apparently sets were already changing with increasing concern for safety from the 1960's on.
VR/AR changes the relationship between safety and practice, so it'll be interesting to see what happens next.
It's a meme that a 1950's and earlier chemistry set couldn't be sold now, for all of the above. But apparently sets were already changing with increasing concern for safety from the 1960's on.
VR/AR changes the relationship between safety and practice, so it'll be interesting to see what happens next.