The variations replace the victims, the switch operator, the trolley, or any combination of those with other characters or ideas. Some of them do away with the junction altogether: The meme was taken ...

Applying the trolley problem to self-driving cars and the ethical dilemmas they create.

The trolley problem is a staple of discussions about ethics. The basic version is very simple: A trolley is barreling down a track toward a group of five people who remain blissfully unaware of their ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. Yet that privilege comes ...