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Message: <blockquote data-quote="genshou" data-source="post: 2882420" data-attributes="member: 13164">Beg your pardon?  :\  Removing 1/3 of the mass from 2 l of water and replacing it with 1 kg of mercury would increase the mass of the bottle by 1/6.  That's a hefty enough increase to definitely affect the balance and ease of use of the bottle as an improvised weapon, but it's not like I just doubled the bottle's mass or anything.  As we'll see below, though, with a denser "base" material like high-carbon steel, the numbers aren't quite so extreme.Here's an example of an <a href="http://www.mwart.com/xq/ASP.product/pid.1270/qx/black-shadow-arming-sword.htm" target="_blank">arming sword</a> with a mass of around 1.8994181 kg (direct conversion of exactly 67 oz to kg).  That's less mass than a 2 l bottle full of pure water.  High-carbon steel has a varying density based on the amount of carbon used, but for our purposes we will use 7.85 g/cubic cm.  Thus:<ul> <li data-xf-list-type="ul">volume = density/mass</li> <li data-xf-list-type="ul">v = (1899.4181 g)/(7.85 g/cubic cm) v = 241.96409 cubic cm</li> </ul>Now, let's make a theoretical mercurial Black Shadow Sword.  I'll take suggestions about how much volume you think should be removed from the sword to create the channel for mercury, as well as the volume, mass, or percentage of channel volume that should be mercury.  I'll do the math for any numbers submitted, but feel free to do it yourself if you're willing to crunch the numbers like I am. <img src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f609.png" class="smilie smilie--emoji" loading="lazy" width="64" height="64" alt=";)" title="Wink    ;)"  data-smilie="2"data-shortname=";)" /></blockquote>

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