Constant Agony Search Results

How To: Demonstrate Newton's law of inertia

This short video clip shows seven demonstrations of Isaac Newton’s first law of motion– the law of inertia. Newton’s law of inertia states that objects moving at constant velocity will continue moving at constant velocity, unless acted upon by an outside unbalanced force. Six of these demonstrations (excluding number six) are from Tik Liem’s book Invitations to Science Inquiry.

How To: Permanently Disable the 'Software Update' Notification on Your Samsung Galaxy — No Root Needed

Updating your Galaxy to the latest software version is optional, but you wouldn't know that from the persistent notification and status bar icon that are constantly reminding you to. Thankfully, you're just an app away from hiding these eyesores without the need to update your phone.

How To: Make Tight Loops When Fly Casting

When casting a flyrod, in most cases, tight loops will allow the fly to travel farther, more accurately, and with less effort. To cast these tight loops, the tip of the rod must travel in a straight line path, slack must be eliminated, and there must be a constant acceleration to a sudden stop. The most common mistake is using the wrist to move the rod which causes the tip to travel in a half circle or windshield wiper type motion.

iOS 9.3 Now Available: Locked Notes, Night Shift, & More

At Apple's highly anticipated special event held today at their headquarters in Cupertino, California, it was announced that their latest software update, iOS 9.3, would be available to the public complete with several new additions. The most notable element of this announcement was two-fold, in the form of new modifications to the Night Shift mode and the Notes app. With regards to Night Shift, the feature is designed to prevent your iPhone from giving you restless nights by adjusting settin...

CES 2015: Solar-Powered WakaWaka Is a Light & Charger That Helps You Be More Socially Conscious

With over 1.5 billion people on this planet without electricity, it's hard for those of us in developed nations to even fathom how anyone can read, write, repair, or do anything else that we take for granted without any lights. While some of our First World problems pale in comparison, they remain issues nonetheless, one of the biggest being constant battery drain from portable electronics.

How To: Make Your Favorite Song Last Forever with Infinite Jukebox

The first album I ever bought with my own money was Nirvana's MTV Unplugged in New York. It featured mainly lesser-known songs and covers, but was on constant repeat on my Walkman. While the whole album was fantastic, there was one song that stood out the most to me—"The Man Who Sold The World." The song (originally written by David Bowie) kept me under a spell, which had me replaying the song over and over and over and over. As I got older, I found myself sharing this relationship with a han...

How To: This DIY Illuminated Isomorphic Keyboard Changes Colors as You Play Music

An isomorphic (or self-transposing) keyboard is "a musical device where a grid of notes is displayed to the user and the interval change between notes in constant for any given direction." For those of you who didn't grow up playing the piano like I did, that basically means that it lets you move between keys easily without having to learn new patterns because the keys are laid out so that a chord is the same pattern in every musical key.

How To: Calculate the circumference of a circle

This video shows how to calculate the circumference of a given circle. The video first describes the circumference or perimeter of a circle as the distance around the outside of a circle. To find the circumference we need either the radius or the diameter of the circle. When you know the diameter of the circle, the formula to find the circumference denoted by 'C' is 'pi' times the diameter, where 'd' is the diameter and 'pi' is a constant, the approximate value being 3.14. And when you are gi...

How To: Make a stepper driver power supply for a CNC router

A CNC router machine is probably the most useful tool a hobbyist can own, but the price for a CNC machine on the market is way more than the average hobbyist is willing to spend. You can build your own CNC with very basic tools, little knowledge of machinery, mechanics, or electronics, but be warned, these machines are inherently dangerous, so wear the proper protection and use common sense. At the very least, read the instructions and precautions on every tool you use.

How To: Transpose music on the piano

This how to video explains transposing music from one key to another. Transposition, in music, is when you move a series of notes up or down a constant interval. Transposing is a great skill to have, especially when playing jazz music. Watch this tutorial and you will be transposing your sheet music in no time.