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How To: Hack together the DIY video chat robot

Sparky is a wireless, web-based video-chat robot from the Gomi Style crew. You can learn how to make your own Autonomous Telepresence robot using spare computer parts, some old toys and a bit of custom software (that we provide at gomistyle.com). This robot is operated with a Make controller circuit board. Sparky is a retired electric wheel chair with a monitor as a head.

How To: Add and subtract complex numbers

Need a little help with your math homework? No problem, the Math Centre offers students video tutorials that will provide as a reference guide for self-study. Students get self-study resources targeted to the needs of individual courses, and teachers gain generic mathematics support and study materials for use with students.

How To: Find real and imaginary parts of a complex number

Need a little help with your math homework? No problem, the Math Centre offers students video tutorials that will provide as a reference guide for self-study. Students get self-study resources targeted to the needs of individual courses, and teachers gain generic mathematics support and study materials for use with students.

How To: Divide complex numbers

Need a little help with your math homework? No problem, the Math Centre offers students video tutorials that will provide as a reference guide for self-study. Students get self-study resources targeted to the needs of individual courses, and teachers gain generic mathematics support and study materials for use with students.

How To: Use imaginary numbers and quadratic equations

Need a little help with your math homework? No problem, the Math Centre offers students video tutorials that will provide as a reference guide for self-study. Students get self-study resources targeted to the needs of individual courses, and teachers gain generic mathematics support and study materials for use with students.

How To: Write the square root of a negative complex number

Need a little help with your math homework? No problem, the Math Centre offers students video tutorials that will provide as a reference guide for self-study. Students get self-study resources targeted to the needs of individual courses, and teachers gain generic mathematics support and study materials for use with students.

How To: Multiply complex numbers

Need a little help with your math homework? No problem, the Math Centre offers students video tutorials that will provide as a reference guide for self-study. Students get self-study resources targeted to the needs of individual courses, and teachers gain generic mathematics support and study materials for use with students.

How To: Represent complex numbers with the Argand Diagram

Need a little help with your math homework? No problem, the Math Centre offers students video tutorials that will provide as a reference guide for self-study. Students get self-study resources targeted to the needs of individual courses, and teachers gain generic mathematics support and study materials for use with students.

How To: Find the complex conjugate of a complex number

Need a little help with your math homework? No problem, the Math Centre offers students video tutorials that will provide as a reference guide for self-study. Students get self-study resources targeted to the needs of individual courses, and teachers gain generic mathematics support and study materials for use with students.

How To: Calculate the modulus and argument of a complex number

Need a little help with your math homework? No problem, the Math Centre offers students video tutorials that will provide as a reference guide for self-study. Students get self-study resources targeted to the needs of individual courses, and teachers gain generic mathematics support and study materials for use with students.

How To: Find the polar form of a complex number

Need a little help with your math homework? No problem, the Math Centre offers students video tutorials that will provide as a reference guide for self-study. Students get self-study resources targeted to the needs of individual courses, and teachers gain generic mathematics support and study materials for use with students.

How To: Thread a Brother sewing machine

Thread cassettes on a sewing machine allow you to advance prepare desired threads. This how-to video provides a video guide for using a Brother sewing machine, how to read indicator lights, and how to set the machine up for sewing. Watch this video sewing tutorial and learn how to thread the cassette on a Brother sewing machine.

How To: Machine knit a back stitch bind off

This instructional knitting video provides tips for making interesting patterns using a knitting machine. This is a demonstration of how to use a knitting machine to do a back stitch bind off. You need to master this tricky step in order to take your knit work off of the knitting machine. You may want to reference some written instructions in addition to watching this knitting video.

How To: Keep balance on a drum kit

A band leader, classical percussionist, clinician and author, Steve Houghton is also the associate professor of percussion and jazz at Indiana University-Bloomington, and is on faculty at the Henry Mancini Institute. In this installment from his video tutorial series on the fundamentals of drum playing, Steve provides helpful tips and techniques for maintaining balance between limbs while on the drumset.

How To: Warm up for 4-mallet percussion

Over the past 5-10 years, there has been an enormous growth in 4-mallet percussion. With the rapid increase in popularity, there comes the possibility of students moving too quickly through the learning process, or not having adequate instruction. In this installment from his video tutorial series on four-mallet percussion, Gifford Howarth provides suggestions for an effective warm-up routine.

How To: Jump rope correctly

This tutorial gives a demonstration of a cardio workout. It explains the jump rope exercise and provides tips on how to perform the exercise correctly. Jumping rope is one of the best overall cardio exercises and burns serious calories in a short amount of time. This is one exercise you definitely want to keep in your workout routine to see results.

How To: Add a flange accent to your quilt

A quick tip on adding a flange accent to piece your quilt. A flange is a one inch strip of fabric that you fold in half and fit into the border to add a delicate accent to your quilt. This layout provides the groundwork for sewing flanges into a quilt.

How To: Make a round glass bead

Watch this instructional lampworking video to make a round bead using the Zoozii "Make Your Own Round" bead press. This video displays a clear example of how to use the bead press and other lampworking tools. The text instructions provide tips for perfecting your round glass bead.