a clock that forces you to do math to find out the time 

The Albert Clock is no simple timepiece. In fact, it requires you to think pretty hard. It will tell you the time of day, but only if you can do the math to read it, as Nerdist reports.

Designed by the Paris-based Axel Schindlbeck, the clock is meant to be a mental workout, providing the mathematical calisthenics you need to keep your number skills sharp. It’s technically designed for classrooms and kids, but adults need to practice their multiplication tables regularly, too.

The digital clock has four different levels to help you ramp up your addition, subtraction, multiplication, and division abilities over time. For a real challenge, you can program it to change equations more often than every minute, so you’re presented with a new time-telling puzzle every 10 seconds.

The wall-mounted clock retails for about $300, but you can also download a mobile version of the design for free. It will make you yearn for the simplicity of analog clocks in no time.

(if i had to wake up to this, i might opt for just using the sun or wildly guessing instead)

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“the two most powerful warriors are patience and time.”

-leo tolstoy

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credits: MNTNT, nerdist,shaunacy ferro