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Step 6: Use it with technology

Wifi parabolic signal booster: Fold some foil into a parabolic dish to boost your wifi signal from your router. Sure, it's unsightly and kind of goofy, but sometimes you need to be able to watch videos of kittens falling down stairs when you're nearly out of wifi range. There are some plans for this project right here on Instructables. Here's one.

Photography light reflector: Taking photos for my Instructables is always a chore. I hate that I have to wait for the light to be right at the office or at home, so I could really use one of those big light reflecting thingamajigs* that real photographers use. With some aluminum foil layered over a piece of cardboard, properly-lit pictures are just a light source away.

Fix loose batteries: Sometimes the springs that hold batteries in place loose their springiness. With their springiness compromised, battery-powered devices might not work at all, or only work if you hold them in a certain position. (I'm looking at you, Comcast remote control that I had to hold vertically in order to DVR Real Housewives of Albuquerque.) With a folded up piece of aluminum foil, you can force those batteries back into place. Just fold up a little piece and wedge it into position so that the battery terminals line up correctly. This trick will blow the mind of a child whose Furby is acting up.

Protect your brain waves from eavesdropping and mind control: Your thoughts are private. The government and super-advanced alien races (especially considering that they are probably in cahoots) shouldn't be able to read or control those thoughts. To combat telepathic control techniques that rely upon radio waves, you can fashion a protective helmet out of aluminum foil. Berkeley engineers have tested the wave-blocking power of aluminum foil and discovered that an aluminum foil deflector beanie actually magnifies extraneous signals beamed into a subject's head at certain frequencies. Probably propaganda. (You can see their results here and decide for yourself.)

*Technical term, obviously.

<p>Okay, I didn't take the time to read all these great comments, so maybe someone might have stated this before. </p><p>Some weeks ago I watched a report about aluminum in food and the effects this might have on peoples' health. While being a widely used kitchen item for being versatile as hell, aluminum in contact with acid is something you might not want to let into your organism. Scientists found out that aluminum is being absorbed by food up to levels that the WHO claims to be poisenous on the long run by accumulation. Aluminum diluted in acid (which many food items contain in big quantities without people even realizing it) is capable to cross the brain barrier with your blood stream and is suspected to be an important factor in the development of nervous diseases like Alzheimer and Parkinson. This would explain the tremendously increasing number of these diseases since the late 50s. </p><p>I banned aluminum widely from my kitchen and food preparation. I cannot say I can think better ever since, but why take a risk... ;-)</p>
<p><a href="http://www.instructables.com/member/Azze01" rel="nofollow">Azze01</a></p><p>I had wondered about the interaction between aluminum and acid. I was fond of cooking fish in aluminum and squirting lemon juice over the fish before baking it. For sometimes now I've been placing the fish onto a piece of Reynolds Wrap before cooking it. I think now tho' that I will bake fish w/lemon juice in a glass casserole with a piece of crumpled parchment paper on top. </p><p>Thank you for that!</p>
<p>You don't need to do that! If you left the lemon juice in prolonged contact with the foil, yes there will eventually be a reaction. However the length of time it takes to cook your fish isn't of concern, as it isn't long enough anyway. Even if it did happen, it won't hurt you.</p>
<p>Short as the cooking time may seem: Are you aware that chemical reactions run much faster at high temperatures (double to triple speed per 10&deg;C temperature rise) ? And unlike aluminum pots and pans that have an anodized surface, aluminum foil doesn't, making it prone to acid attack. Just saying...</p><p>In the end it's everybody's own decision. Who am I to tell people what to do? ;-)</p>
<p> Wow, finally someone to reflect about contents, not spelling... ;-) Thanks! </p><p>Parchment paper (baking paper as we call it here) may be fine for that application; only you might have to fiddle around with the temperature setting for a while as the paper does not reflect heat back into the fish the way aluminum foil does. When you feel you just cannot do without the aluminum, one option would be to cover the glass casserole with aluminum foil making sure to form a ridge in the foil i.e. to create an aluminum &quot;roof&quot; of sorts. This way aluminum loaded condensed water will run down the inside of the &quot;roof&quot; and down the outside of the casserole instead of into your dinner. Be inventive. </p>
<p>It's not recommended to use aluminum foil in food, Because it is slightly poisonous.</p><p>You don't have to BAN IT FROM YOUR KITCHEN, It's just not recommended to use it a lot...</p><p>Aluminum isn't used only in food, There are many other products that have it such as <a href="http://www.naturalnews.com/033431_aluminum_personal_care_products.html">toothpastes, nasal sprays, anti-antiperspirants, dental amalgams, cigarette filters and pesticides</a> and a lot more</p>
<p>Aluminum is NOT TOXIC OR POISONOUS. It won't hurt you. The chemical reaction I spoke of has no known health consequences. This is why it is undesirable, but it has nothing to do with harming anyone: </p><p>&quot;Sometimes when foods are stored in aluminum foil, or when foil is used <br>to cover a pan of food, the foil will develop holes and look like it is <br>being eaten away. Two things may be the cause. 1) When aluminum and a <br>dissimilar metal are in contact in the presence of moisture, an <br>electrolytic reaction may occur causing a breakdown of the aluminum. To<br> prevent this reaction, use plastic wrap to cover metal containers <br>(silver, stainless steel, or iron used to store food. 2) If the <br>aluminum foil was not used with a dissimilar metal container, the <br>reaction was probably a chemical one. It is possible for heavy <br>concentrations of salt, vinegar or some other acidic compound, or highly<br> spiced foods to cause the foil to disintegrate. The product of either <br>of these reactions is an aluminum salt. It does not harm the food but <br>you will want to scrape any deposit off the food as it may impart an <br>undesired flavor and color.&quot;</p><p>It can affect the look and taste of the food but it is NOT toxic or poisonous. It won't hurt you.</p><p>BY: Angela M. Fraser, Ph.D., Associate Professor/Food Safety Specialist,<br> and Carolyn J. Lackey, Ph.D., R.D., L.D.N., Professor/Food and <br>Nutrition Specialist, North Carolina State University (August 2004)</p>
aluminum foil is still awesome
<p>I used aluminium foil to shield the inside of my Fender Strat. It works just as well as copper sheet or tape and is a good deal cheaper.</p>
<p>Finally, somebody has spelled it correctly. It's aluminium not aluminum!!!! :D Sorry, I hate the wording aluminum nearly as much as I hate it when people say soddering instead of soldering.</p><p>Good collection of uses for aluminium foil though :)</p>
<p>Aluminum is also correct--it's the American spelling (and how we say it) :)</p>
<p>Nice to see my native spelling here. Been in Canada so long now, I've adapted I suppose.....but lovely to see SPELT again! My biggest beef here with language is the use of lay........it's incorrectly most of the time!!</p>
<p>&quot;...it's incorrectly most of the time!!&quot; That sentence needs help.</p>
<p>You are correct, it does need help. So, regarding lay or lie - it is incorrectly used most of the time! lol........fingers could do with help as well. :-)</p>
<p>I am now suddenly reminded of English grammar lessons from nearly 50 years ago. The use of certain words for past tense and present tense. 'Spelled' being for past with 'spelt' as present. :)</p>
<p>Actually Kevan, both spellings are correct. Do some research.</p>
<p>Actually, Pete, aluminum is an incorrect spelling here in the UK. I'm in the UK therefore the correct spelling for us is aluminium. It is highly relevant by the way because for years (when I was much younger and I am talking decades ago) I genuinely thought aluminum was a different aluminium alloy just as duralumin is. </p>
<p>It's our language, we know how the words are correctly spelt!</p>
<p>Yeah, but we won the war, so let us spell it how we want!</p>
<p>You're right <a href="http://www.instructables.com/member/Kevanf1" style="">Kevanf1</a>. According to Google; &quot;<b style="">Aluminum</b> is the American <b style="">spelling</b> and <b style="">aluminium</b> is the British <b style="">spelling</b>&quot;</p>
<p>Actually Kevan, BOTH spellings are acceptable. I already knew that it depends on what part of the globe you live. And seeing as it was a North American who wrote the article, he has it spelled correctly. You see, Kevan, your part of the world is not the only one that counts.</p>
<p>Finally! Someone has spelled Kevan correctly</p>
<p>I am very grateful for this :) </p>
<p>Reminds me of the old Players Weights joke that one. Just trying to lighten the mood here :) I'd relate the old joke but I would need a packet of Players Weights cigarettes. Old timers will know what I mean :)</p>
It is a good thing you don't live in N. America Kevan! When I first come here it was very difficult to understand what was being said. Ends are dropped off words often and naturally my spell checker is very busy underlining words I've 'spelt' in the English way!
<p>I really don't have a problem with spelling a word the way it is spelled in a particular country. As long as I am in that country. I just pointed out that the spelling was incorrect for the UK (maybe I went about it the wrong way I don't know?). I fully accept that in the USA aluminium is spelt aluminum. It's the same as colour being spelt color. I suppose really it is good that we have people on both sides who are passionate about spelling and long may that continue :)</p>
<p>Correct, although it should be SPELT and not spelled to be proper English.</p>
<p>Aluminium and Aluminum are both acceptable spellings.</p>
<p>Aluminum foil is not recommended for microwave ovens...sparks galore.</p>
<p>Oh yeah, It will RUIN your microwave.</p>
<p>As far as foil (or tin) and food, you really only need to be concerned <br>(if at all) with acidic foods such as tomato and pineapple. If it's not<br> acidic t(in the chemical sense, not just digestive) here will be no chemical reaction. It's the chemical reaction that allows the metal to leach into your food. This is also why it isn't advisable to leave tomato or pineapple in their cans once you've opened them. Once the air makes contact with these acidic foods the process begins. However, It is perfectly safe to leave anything else in the can, and it is perfectly safe to use foil in contact with non-acidic foods. On the other hand leaving these acidic foods in contact with these metals for a short time isn't going to hurt you either, and it would take repeated contact-a lot of contact, in order to build up enough in your system for any concern. </p><p>Moreover, aluminum in cooking utensils does not get into food, and the <br>aluminum that does occur naturally in some foods, such as potatoes, is <br>not absorbed well by the body.</p><p>You don't need to panic! </p><p>The point is, you don't need to ban <br>aluminum from your kitchen or your cooking. Your own exposure will <br>depend completely on how often you consume those types of foods in ADDITION to how <br>you use your foil For standard cooking or kitchen use it is perfectly <br>safe. </p><p>In regards to Alzheimer's and Parkinson's disease there is no credible scientific evidence linking these with the use of aluminum foil. Frankly, they have no idea as to what triggers these disorders, which also existed BEFORE the household or food related manufacturing of aluminum foil. There's been no link with metal toxicity. For that matter, foil and tin have been in constant use in the kitchen and for food storage since the beginning of the 1920s (Alzhiemer's identified in 1906), so any increase is far more likely to living longer and better diagnostics, not foil. People were more at risk from the lead in the tin can solder (no longer used) than aluminum exposure. Glass was expensive and fragile, so metals were a more economic and durable choice. </p><p>Frankly, you are at more risk being a couch potato.</p><p>There is no need to freak out. Though I'm sure you meant well, I get tired of people scaring each other needlessly. </p>
<p><strong style=""><em>According to </em></strong>http://grammarist.com/, <strong style=""><em>Aluminum </em></strong>is the American and Canadian spelling.</p><p>Back in the 1960's, I was in the US Army Reserves. An old Sergeant had a piece of aluminum foil inside his helmet liner (the light weight plastic piece that fits inside the steel helmet). I asked what that was for. He replied, &quot;It keeps my head cool&quot;. At summer camp, everyone wore the helmet liners and they were like having your head in an oven. I put a big piece of aluminum foil in my liner and it was like wearing a straw hat. MY HEAD STAYED COOL. Since then, I have put the foil on the under side of my sunshade on my tractor and my riding lawn mower with spray adhesive. It works great. </p>
<p>Is the dull side or the shiny side next to your head?</p>
I am in &quot;that&quot; country, but my life as a young girl at school was in another country. I automatically use UK spelling just because it's how I was taught. Can't teach an old dog new tricks! :D<br>
<p>Your excellent writing skills and dry wit made this one of my favourite instructables ever. </p>
<p>So many great ideas! I had no idea! You can also store your silver jewellery or silverware with a sheet or wad of foil to keep it from oxidizing. The aluminum attracts moisture more readily than silver.</p>
<p>You left one out - line cookie sheets with a sheet of foil. No washing!</p>
<p>I would argue parchment paper does a much better job.</p>
I personally stick to SOS pads for getting cooked on gunk unstuck from my pots and pans. They're also great for getting sticker residue off of nearly any type of surface, glass, stainless steel, porcelain, plastics, etc. I've also found SOS pads quickly remove paint/ spray paint from all those same surfaces too. And here's where the almighty Aluminum comes in : place your SOS pad on a small square of aluminum foil and next time you're ready to use it, it will still be usable instead of crumbling apart in your hand!
<p>you know what else is really good for getting sticker residue off commercial goods? Peanut butter. Also, the peanut butter wont leave any markings behind on the porcelain nor gouge your plastics... Smear it on, rub it about, let it sit for a bit then clean off as normal. It is my go to when buying new items for the kitchen.</p>
<p>&quot;Sometimes the springs that hold batteries in place loose their springiness&quot;.</p><p>lose, not loose</p>
<p>:) absolutely with you on this one Pete. Another one is the incorrect usage of accept and except :(</p>
<p>The idea that you cannot put metal in a microwave is Urban Myth. Microwaves are not absorbed by metal, merely reflected off. I often heat food in a dish with the spoon or fork left in it. Philips Electronics included a cookbook with my first microwave cooker in 1980. Cooking chicken legs is difficult because the thighs cook slower than the thinner bit, so Philips recommend wrapping the thin bits in aluminium foil. The microwaves reflect off the aluminium and the thin bits remain OK while the thighs cook more slowly.</p><p>If you leave a knife standing upright in a dish and it comes close to the microwave waveguide opening, it may give off a shower of sparks ( been there, done that ), but that has to do with some high-voltage breakdown.</p><p>HTH</p>
<p>Just A suggestion but you cant rlly microwave foil because its metal/conductive and it could most likely break ur microwave because I think most of us have the understanding of what happens when you put metal in the microwave lol so just to let you know but I dont know if I'm wrong plz call me on it because I dont want to be one of those people that go around telling people false stuff.</p>
<p>Links to handy printer template for paper and foil antenna reflectors:</p><p><a href="http://www.freeantennas.com/projects/template2/" rel="nofollow">http://www.freeantennas.com/projects/template2/</a></p><p><a href="http://www.freeantennas.com/projects/Ez-10/" rel="nofollow">http://www.freeantennas.com/projects/Ez-10/</a></p>
<p>For house painting, foil conforms easily to mask ackward shapes instead of tape.</p>
In a pinch, you can use a small piece of foil to bridge a blown car fuse, until you can fix it properly. <br> <br>You can also use a small bit folded up at the end of a AAA battery, to make it work where an AA battery should be used.

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