"Look for what shouldn't be there," Macfarlane is told, so he looks for minor disturbances in the lay of the land, dots that only become visible when connected.
The two types co-exist, but the sunnier colors only become visible when the chlorophylls break down at the end of the growing season, when deciduous trees reallocate resources from leaves to roots.
In the latter case, the pits only become visible after successful removal of the obscuring particles.
Often, negative impacts are highly interconnected or only become visible after considerable time, which makes it difficult to identify cause-and-effect relations.
In one scenario, the address bar would only become visible when, say, the mouse pointer is hovered over a certain area of the screen.
Furthermore, the level of vulnerability can result from effects that only become visible long after the initial event, adding yet another dimension to the concept's dynamic nature.
For instance, regarding the impact on the working-age population, change of fertility rates during the period 2015 2025 will only become visible after 2035.
The shifts in the ingredient preferences only become visible when one focuses on selected ingredients but not when analyzing the aggregation of all ingredients.
The phenomenologists would argue that these fundamental choices may only become visible if we approach new media and ICT (and the ethics they imply) from a phenomenological point of view.
At this time of year, as seen from Earth, the comet would approach and recede almost directly behind the Sun, and could only become visible extremely close to the Sun if it became very bright.
British artist Anthony McCall subverts an ordinary film experience, and allows us to travel inside a large tunnel of light where images only become visible with the presence of smoke.
