You need sensors of some sort.
The only system error is … five sensors were tripped when the field was disengaged, she murmured with a frown.
Schell regards sensors largely in terms of gameplay—but for our purposes, think of them passively logging your life.
Part of this will be enabled by very cheap sensors embedded in the things you use.
Ever more accurate sensors can track the contents of ocean water or assess food safety.
The guards have shot another dozen people around the perimeters, and our sensors indicate there is a small camp of some sort housing over a hundred survivors nearby and another one with several hundred at the bottom of the mountain, she said.
"Motion sensors there," Chapo added.
They can be connected to sensors whose sensitivity dwarfs anything a human can do.
Sensors can constantly monitor moisture levels in the soil, the size and color of the plants, air quality, nutrient levels in the soil, amount of sunlight, and hundreds of other variables.
It will come about through sensors, genetic engineering, better information, better communication, and precision farming.
The availability and propagation of cheap sensors, cheap storage, and cheap computational cycles will allow humanity to develop a collective memory of the activities and outcomes of everyone on the planet.
Heat sensors haven't located any body heat unless they're below ground level.