A Crate & Barrel spokesperson did not confirm that information with MarketWatch. RH shares are up 53.2% for the year so far while the S&P 500 index is up 4% for the period. Netflix earnings: As the streaming company increases content investment, hereâs what to expect NFLX -0.63%.
I'm not sure of the engish term but I think it's retinal persistence. the problem is that the eye has not the same refresh rate on all it's surface. I got sensitive eyes and that's why I'm very picky about refresh rates. i need 80Hz to feel comfortable when looking at the screen. any lower i can see it flash.
The human eye can function from very dark to very bright levels of light; its sensing capabilities reach across nine orders of magnitude. This means that the brightest and the darkest light signal that the eye can sense are a factor of roughly 1,000,000,000 apart.However, in any given moment of time, the eye can only sense a contrast ratio of one thousand. What enables the wider reach is that the eye adapts its definition of what is black.n ocular physiology, adaptation is the ability of the eye to adjust to various levels of darkness and light.