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It also means that even an inert, stationary object has a huge amount of energy locked up inside it. This means that an object gains mass as it moves faster, simply because it's gaining energy. However, Einstein's equation says that mass and energy are essentially the same thing, as long as you multiply the mass by c^2 - the square of the speed of light, which is a very big number - to ensure it ends up in the same units as energy. Additionally, energy can exist in the complete absence of matter, for example in light or radio waves. In traditional physics, mass measures the amount of matter contained in an object, whereas energy is a property the object has by virtue of its motion and the forces acting on it. The equation expresses the equivalence of mass (m) and energy (E), two physical parameters previously believed to be completely separate. Click Replace All (or click Find Next, then Replace if you want to check each one first).(Image credit: VICTOR HABBICK VISIONS/SCIENCE PHOTO LIBRARY via Getty Images) (opens in new tab)Īn unexpected offshoot of special relativity was Einstein's celebrated equation E = mc^2, which is likely the only mathematical formula to have reached the status of a cultural icon.And you get the ^ character by pressing Shift+6. Make sure the ‘ s‘ is in lower case-this is critical. In the Replace with box (2), type ‘ ^smm.‘ (again, without the quotes).In the Find what box (1), type ‘ mm.‘ (without the quotes, and where represents pressing the spacebar).Here’s how I would replace ‘mm.’ with ‘mm.’: So think carefully how you will tackle the Find/Replace-you only want to replace the spaces in the correct strings. without specifying ‘match case’ and accidentally changed all authors names in the reference list who had ‘M.’ as their initial! If you catch it immediately, ‘Undo’ is your friend.
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For example, I did a Find/Replace for ‘m. You need to think about what you’re changing and what effects those changes might have on legitimate text. To use Find/Replace to replace certain spaces with nonbreaking spaces:īefore you run off and start doing Find/Replace without thinking, STOP. How the text looks when you force the two elements to stay together In the image below, some of the values and units of measure have split over two lines (yellow highlights), and others (green highlights) have the potential to split if changes are made to the styles, page layout etc. Splitting things that should be together like this affects the readability and therefore the ‘understandability’ of the document. If you use a standard space, then, depending on where the two parts are in the text, they may get split when you change the font, font size, page margins, etc., or it may gain extra white space if you change to fully justified text (left and right margins all lined up). Or perhaps a date like 3 September, where you don’t want the 3 on one line and September on the next.
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#Word for space in time how to
We all know how to enter a space in Word-you just press the Spacebar, right? But what if the space you entered causes two parts of a whole to split over a line? For example, you might have a figure and a unit of measure (such as 150 mm) and you don’t want to separate the ‘mm’ part from the ‘150’ part-ever.