Gerard Catapano, manager of electronics testing at Consumer Reports, explains that human perception of loudness follows the so-called 10-to-1 rule: the loudness of a particular sound must be increased in intensity by a factor of 10 for the sound to be perceived as twice as loud.
All of these are increasing in intensity, frequency and extent.
But the animation gold rush is increasing in intensity as cinematic technology evolves.
Following a 2-2 draw, the third replay ended in a pulsating 3-3 dras as unusually the games were increasing in intensity and drama as the series continued.
No storm as powerful as Cyclone Pam has yet hit Tuvalu as directly as Pam hit Vanuatu, but cyclones are endemic to the region, and, although they do not appear to be increasing in number, they are increasing in intensity.
As my colleague Sarah Lyall has written, quoting Omar Baddour of the World Meteorological Organization in Geneva, extreme weather events are increasing in intensity as well as frequency.
One point of clarification: rainfall in the area is not declining but is increasing in intensity, ie more rainfall falling on fewer days, so he is correct to highlight waste and overuse of water by consumers as a cause of low flow and increased pollution in rivers.
Over 80% of us say the pressure to be more "productive" is increasing in intensity.
The direct action wing of the environmental movement has been increasing in intensity in the last few years.
While the villagers' explanations vary, all agree on one point -- rainfall in the country is becoming scarce and unpredictable, and extreme heat is increasing in intensity and frequency.
