Another customer praises the numerous software updates that Blink has apparently released to address some — but not all — of the early issues. The XT2 is advertised as offering two-year battery life on a pair of AA batteries, free cloud storage with no subscription plan required , p video recording, two-way voice talk support, and Alexa compatibility.
Not all reviews have been bad. Dave Zatz published some positive first impressions of the Blink XT2 over at Zatz Not Funny , which is worth the read if you want to know more about what the XT2 can do and how it compares to similar cameras on the market. Subscribe to get the best Verge-approved tech deals of the week. Cookie banner We use cookies and other tracking technologies to improve your browsing experience on our site, show personalized content and targeted ads, analyze site traffic, and understand where our audiences come from.
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Health Conditions Discover Plan Connect. Medically reviewed by Ann Marie Griff, O. How many times do you blink in a day? Why do you blink?
Best guess of the age of the universe is about 14 billion years, maybe a little less. Each hour has 60 minutes, and each hour has 60 seconds. Multiplying those together tells us that 14 billion years translates to a humongous number of seconds. How many?
Write down 44 and then write 16 zeros after it: the actual number is just over ,,,,, seconds. That figure is—currently—larger than our budget deficit. A real blink of an eye takes to milliseconds. Compared to the time span of one full second, a blink of an eye is an eternity. Thirty-three percent of that second is given over to blindness, after all. These comparisons are necessary because the blink of an eye is meaningful only when it is measured against some base, or when it is contrasted with some reference.
The reference provides us with a ratio: the length of time of a blink to the length of time of the reference. We can use those to solve for the length of the astro-blink—by applying the beloved techniques of high school algebra.
One second is too short, as is one minute. How about a day? Does the ratio of one blink to one day feel the same as the ratio of one astro-blink to the age of the universe? It does to me. People blink anywhere from 10 to 20 times a minute. Split the difference and say Blinking 15 times a minute in 16 waking hours translates into a whopping 14, daily eye flaps.
Sans flirting, of course. All that blinking sucks up about about one-and-a-third hours. An interesting side calculation would be to figure how much wind those blinks generate. After all, with each opening and closing, your eyelashes create a tiny breeze. Anyway, each day has 86, seconds—a number all who had college physics have memorized—and a ratio of that to 0.
Which, by dividing, gives a ratio of 1 to , We want that same ratio for astro-blinks to the age of the universe. Again, since we know the age, we can invoke algebra. This tells us that the length of an astro-blink is about 17 followed by eleven zeros, or ,,, seconds. That number in dollars is not larger than our budget deficit, which, given the context in which it was calculated, we are truly justified in calling astronomical.
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