A CPR (chest compression) feedback device measures the quality of compressions while they are being given and tells the rescuer, in real time, what to adjust. High-quality compressions are one of the most important factors in survival from cardiac arrest, and even trained rescuers tend to drift from the targets without feedback. What it monitors … Read more
A vibration that appears only when you brake points almost always to the brakes themselves, most often the discs (rotors). Where you feel it and when it happens help narrow it down. Uneven rotors: the most common cause When brake rotors develop uneven thickness, the pads grip harder at some points than others as the … Read more
Snake plants (now classified as Dracaena trifasciata, but still sold as Sansevieria) are among the easiest houseplants to multiply. There are three methods. Division is the fastest; leaf cuttings take patience but turn one leaf into several plants. Before you start The best time is spring or summer, when the plant is actively growing. You … Read more
Coaxial cable and speaker wire look like they could do the same job, but they are designed for different signals. Coax carries low-power, high-frequency signals, such as TV, internet or digital audio. Speaker wire carries high-power, low-frequency current from an amplifier to the speakers. You can use coax as speaker wire in a pinch, but … Read more
People often use “narcissist” loosely. Narcissistic personality disorder is a clinical diagnosis that only a qualified professional can make, and many controlling people do not have it. This article talks about the behavior pattern rather than a label: what tends to happen when someone used to controlling you finds that it no longer works. Why … Read more
A rehearsal dinner is the meal held after the wedding rehearsal, usually the evening before the ceremony. It thanks the people who helped, lets the two families get to know each other in a calmer setting, and gives the couple one relaxed evening before a very busy day. Who hosts and who pays In the … Read more
An engine needs three things to keep running: fuel, air and a spark at the right moment, all controlled by the engine computer. A stall happens when one of them is interrupted. Finding which one is the key to the repair. If your car stalls on the road Turn on your hazard lights and steer … Read more
Healthy gums do not usually bleed. A little pink in the sink now and then is common, but regular bleeding is a signal worth acting on. The good news: the most common cause is reversible. The usual cause: gingivitis Plaque, the sticky film of bacteria on teeth, builds up along the gumline when it is … Read more
Feeling cold when others are comfortable has many possible causes. Some are nutritional, the most common being low iron and low vitamin B12. Others have nothing to do with vitamins, such as an underactive thyroid. A simple blood test usually sorts it out. Iron deficiency (with or without anemia) Iron is needed to make hemoglobin, … Read more
Yes, a sunroof can be added to many cars that did not come with one. Specialist shops cut an opening in the roof and fit a pop-up, spoiler or sliding unit. Whether you should is a different question, because it means permanently modifying a structural part of the car. Types of aftermarket sunroofs Cost depends … Read more
