The human finger can discriminate between surfaces patterned with ridges as small as 13 nanometers in amplitude and non-patterned surfaces, surface chemistry Professor Mark Rutland said. "This means that, if your finger was the size of the Earth, you could feel the difference between houses [and] cars," Rutland said.
haptic doom
Jokes on him, I can already tell the difference between a house and a car
Houses are the ones with doors and glass on some of the outside, right?
No, those are cars, you're thinking about the ones with A/C and mirrors.