# Lifehacks

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## 23 Pinhole Cameras That You Can Build At Home

Happy Pinhole Camera Day to All. Below you will find 23 Pinhole Cameras that you can build at home. Small, big, paper, plastic or tin, Two things in common: 1.

## Build Your Own Wire Photo Wall

One of the rooms in my new place has a bare white wall that was just crying out for some creative sprucing up—so armed with this previous Lifehacker post on a DIY photo wall project and a few ideas on how to modify it for my own tastes, I went ahead and created a cheap, easily-reconfigured photo wall. For under 20 bucks, using some wire, black card stock, and mini binder clips, it's easy to create your own wire photo hanger. Let's take a photo tour of how to get the job done. What You'll Need First, you'll need a bare wall with a place to screw mounts in about 1/4" away from the wall on either side, with no obstructions in between.
Usenet is a wonderful service for finding and downloading digital media, giving you speed and reliability you won't find with other file-sharing options—like, say, BitTorrent. Here's a quick guide on setting up and getting started with Usenet. An Introduction to Usenet What is Usenet?

## 10 Easy Arithmetic Tricks - The List Universe

Math can be terrifying for many people. This list will hopefully improve your general knowledge of mathematical tricks and your speed when you need to do math in your head. 1. The 11 Times Trick We all know the trick when multiplying by ten – add 0 to the end of the number, but did you know there is an equally easy trick for multiplying a two digit number by 11?
A mathematical joke is a form of humor which relies on aspects of mathematics or a stereotype of mathematicians to derive humor. The humor may come from a pun, or from a double meaning of a mathematical term, or from a lay person's misunderstanding of a mathematical concept. These jokes are frequently inaccessible to those without a mathematical bent. Mathematician and author John Allen Paulos in his book Mathematics and Humor described several ways that mathematics, generally considered a dry, formal activity, overlaps with humor, a loose, irreverent activity: both are forms of "intellectual play"; both have "logic, pattern, rules, structure"; and both are "economical and explicit". [ 1 ]

## Using Time Capsule as a Media Drive

As someone with a large media collection (around 550GB), I’m always looking for inventive new ways to store, backup and stream all my content.

## How to: Wall mounting a LCD or Plasma : Home Theater Blog | Home Theater News &amp; Reviews

May 29, 2006 Over the weekend I helped a friend wall mount a Panasonic LCD and thought to myself, hey why not take a few pictures and post an illustrated how-to guide on this. I think it turned out quite nicely here are some before and after shots. Before you tackle wall mounting a LCD or plasma, you need to ask yourself one question. Is this something best left to a professional installer?