a positive wave following an upright T wave of the electrocardiogram. It is negative following an inverted T wave. a small, rounded wave that follows the T wave on an electrocardiogram. Normally its polarity is that of the T wave. Its mechanism is unknown. The U wave becomes taller in hypokalemia and inverted in heart disease. It may signify decreased potassium levels in the blood.
Also part of the field of autonomous vehicles and automated driving is the Live Roads technology. Here is currently developing such a technology that will be able to alert drivers of conditions such as weather to alert other drivers of possible hazards, or to avoid a particular area whilst driving.
Lowes now (as of earlier this year) is selling a line of Mechanics Tools called Kobalt which is made by Snap-On. They are good tools. Home Depot's Husky brand is made by Stanley Mechanics Tools, a division of the Stanley Works. Husky are also good tools and have a good lifetime warranty (they'll even replace your broken Craftsman with an equivalent Husky). Until 1994 or so, Stanley also made Sears Craftsman tools.