How To: Turn a 5MW laser into a 100MW laser

Tired of that dinky little 5MW laser? Turn the power up and convert your 5MW laser into a 100MW laser? A small amount of modification can produce a significantly stronger light coming out of your laser. You will need a small screwdriver (such as a jeweler's screwdriver), needle nose pliers, a soldering iron and some bonding glue to do this properly. This video tutorial will show you exactly how to turn your 5MW laser into a 100MW laser.

How To: Build spinning tops with everyday objects

In this tutorial, we learn how to build spinning tops with everyday objects. You will need: round recyclable plastic lids, skewers, hot glue gun, and washers or pennies. First, take your plastic lid and weight it with a penny, then poke a skewer through the middle of it. After this, you will have a top made out of homemade products! You can use anything that is laying around your home to make a top, no matter what it is. Just make sure you have something to place int he middle and the weight ...

How To: Use heat-shrink tubing, shoelaces or urethane belts for pulley systems

Have a cool mechanical project or tool that uses a pulley system as the main means of working? What are some ways to get the pulleys moving? There's multiple possibilities that are easy on the wallet, including things like heat-shrink tubing, shoelaces and urethane belts. They all make great pulley belts. A good pulley belt material is one that will have a lot of surface contact with the pulley.

News: 3 Million Brick Lego House - Demolished

With many internet/Lego nerds anxiously awaiting the completion of the world's first full size Lego House, Barnaby Gunning Architects and British TV personality, James May, finally unveiled the finished product this past Friday. The house (was) 100% Lego, "including a working toilet, hot shower and a very uncomfortable bed".

News: Dissecting a Frog With LEGOs

You can almost feel the pain of Dave Kaleta’s outstretched, dissected frog (which is pretty incredible, considering it was constructed with those tiny, plastic bricks we call LEGOs). Kaleta's work of LEGO art was built for the MOCPages MOC Olympics.

How To: Accurately read a tape measurement

In this tutorial, we learn how to accurately read a tape measurement. First, roll out the tape measure, then find the inch marks. These will be in red. From here, you will find the half inch marks between each of the red inches. Half of the half inches will be right in the middle of that, and exactly half of the half! In between this, you will find 3/4 of an inch and 1/8 of an inch. Make sure you have a good view of the lines on the tape measure so you can identify these correctly. The last m...

How To: Make a mini K'Nex pistol

This video tutorial is in the Hobbies & Toys which will show you how to make a mini K'Nex pistol. Chris Swartzentruber shows you how to do this in this video. First make the trigger mechanism with the green, white, blue and orange parts as shown. Next make the handle using the parts as shown in the video. One end of the handle is green and the other end is orange. Then you make the handle support, barrel, magazine, rod pusher and the firing pin as demonstrated. Attach the handle to the barrel...

How To: Build a LEGO stroller

In this video you will learn how to build a LEGO stroller. The materials you will need are 4 of the small slanted bricks, one two by four thin brick, 3 two by 1 thick bricks, 2 one by one thin bricks, 2 one by one by four studded bricks, a small smooth brick, two odd angled smoothed bricks, 4 wheels, one one by two with dot in center bricks, and one one by two handle bricks. Then after carefully assembling the bricks as shown he will show you a example of what it will look like when you're fi...

How To: Build a spy periscope

This video is to show you how to construct a super cool spy gadget! You'll need some toilet paper tubes, tape, scissors, glue and an old CD. Then, just like that you'll be able to make home made spy gear in no time.

How To: Make a Go Kart

What's more fun than a Go Kart? Here is a complete tutorial on how to make a nice Go Kart. Easy and fun. Its a good, solid Go Kart & it should take you 2 to 4 hours to make it. Go to Storm The Castle for a list of all the parts, more instructions and plans.

How To: Replace the blade of a utility knife

This is an instructional video featuring Doug Prime, founder of the Future Engineers Center at the University of Massachusetts Lowell. This is an instructional on utility knives that are used to cut foam board and cardboard. The blade replacement is integral to this craft or hobby tool's maintenance.

How To: Build a looping rolling marble machine with magnetic elevator

Wow! No longer do you have to buy those huge marble machine roller coaster toys — you can DIY one! This video covers the materials, tools and techniques used to make a homemade rolling ball marble machine. If you haven't seen this rolling ball marble machine toy in action yet, WATCH IT. It's a looping rolling marble machine made with wood, rebar tie wire and polyurethane tubing, featuring a magnetic elevator.

How To: Make your own mylar balloon

Mylar balloons are the best party favors. They are big and shiny and last longer than normal latex balloons. In this tutorial, learn how to make a mylar balloon at home, from scratch. Stop spending so much money at the party store, and next time you have a big event, make your own! Not only will you save money, but it will give your party a cool personal touch.

How To: Build your own Japanese katana out of foam

If you're looking to play a samurai or other Japanese inspired character at your next boffer larp, this tutorial is for you. You're shown how to build a foam katana using duct tape, a razor blade, measuring tape, cloth athletic tape, DAP contact cement, liquid craft latex, fabric to cover your blade, rope, fiberglass core, and of course, foam!

How To: Take apart a laser pointer

Have you ever had a combination of extreme boredom and an unrelenting curiosity? If so one thing you may have attempted to do is to take apart or "de-engineer" a common office laser pointer. In this online video we are shown how to take apart a cheap laser pointer. It should be noted if you are going to attempt to do this you should only try it on a laser pointer that is inexpensive so your loss will not be great if you should make an error.

How To: Build a rubber band powered mini car launcher

What is it about boys and toy cars? Speed, motors, and lots of fun! In this video, Kipkay shows us how to make a mini toy car launcher that is powered by rubber bands. Make sure an adult supervises this project, as power drills are required. Once it's completed, your kid will have a blast with his or her Hot Wheels and some rubber bands. Don't forget to download the PDF of the project before you start.

How To: Make popsicle stick fences

If you've got a tiny farm, you're going to need some tiny fences. Don't shell out your whole allowance for a fancy store bought fence set. Instead make your own fences out of popsicle sticks. This video tutorial demonstrates how to create stalls and stables so your miniature farm animals won't escape.

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