Welcome to this week’s Reading List, a collection of the internet’s most interesting science and tech stories. This week, we’ll experiment with medical marijuana, race a helicopter across New York City, and more.
Fingerprint scanners are so common today that people are in an uproar when they are removed or wrongly placed. There are, after all, only two places for the sensor really: on the bottom front or the back. Three if you count the power button on the side