e: Spacetime Converter vs ParveOMeter Kullanım & İstatistikleri
Have you thought about how old you are - in meters?
Or how tall you are - in seconds?
Or how many miles it is until your next birthday?
Let's think out of the box, relativistically. While spacetime intervals are constant, length and time can be converted to each other. This calculator makes use of geometrized units (where the speed of light is unity) and lets you convert conveniently between length and time.
Is this a useful conversion tool in your day-to-day life? Probably not. But maybe it will let you think about the world a little differently. And amuse your friends and family at the same time!
For a technical reference, refer to "Gravitation", by Misner, Thorne and Wheeler, 1973, W.H. Freeman and Company, pp. 35-36.
To make things more accessible to the average user, we have tried to avoid displaying scientific notation in numbers as much as possible and, instead, make use of more common terms, such as "billions of miles" and "milliseconds".
Now upgraded with the ability to choose different lengths and times for input (inches, hours, days, etc.)!
keywords: science, physics, space, time, relativity, calculator
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Reviews from around the world:
from Fox Knight, US
Love this app!!
from highschool student, US
Good job, there's a lot of potential here. . .
from Turbo elf, US
Science geek must buy
from Letter Warrior, US
I love this idea, especially seeing how far it is until tomorrow, or a friend's birthday.
from Professor and wife, US
A great application that can also be used by students ... really is a wonderful game.
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Mağaza Sıralaması
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Am I "Dairy"? Am I "Meaty"?
Keeping kosher? Want to start?
With the new iPhone/iTouch PARVE-O-METER, you will never again have to wonder if you can eat meat or dairy food right now.
A program of Biblical proportion, the PARVE-O-METER will help you keep track of the waiting times between eating meat or dairy, or dairy and meat.
*Press the “Meat” button when you have finished eating meat or meat products, and the timer counts down the requisite 6 hours before you can eat or drink dairy products.
*Press the “Dairy” button when you have finished eating dairy or dairy products, and the timer counts down the requisite 0, 30, or 60 minutes (depending on the custom of your local Jewish community) before you can eat meat products again.
*Set your waiting period preferences based on the custom of your local Jewish community.
WHAT IS PARVE?
According to kosher dietary law, meat and dairy products cannot be cooked or eaten together; they must always be separated.
Therefore, separate utensils are used for preparing, serving, and eating meaty and dairy foods, and a waiting time must elapse between eating one and the other.
Parve is a Hebrew word which means “neutral” (neither meaty nor dairy). Kosher foods that are Parve may be eaten with either meat or dairy foods.
You, too, may be Parve! “Being Parve” means you can either eat kosher meat or dairy products, whichever suites your fancy — if the required waiting time elapsed after your last meal of meat or dairy products.
B’Tay-avon! (Hebrew for hearty appetite!)
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e: Spacetime Converter VS. 
ParveOMeterOcak 12, 2025