How to stay calm and play well under pressure in tennis

Almost every player has felt it: a comfortable lead, a few nervous points, and suddenly the arm feels heavy and the ball goes everywhere. Pressure affects everyone, including professionals. The difference is how well you have prepared to deal with it. What pressure does to your game Under stress, muscles tighten, breathing becomes shallow and … Read more

How to choose and install a new shower head

A new shower head is one of the cheapest upgrades in a bathroom, and replacing one takes about fifteen minutes. The harder part is choosing among the dozens of models on the shelf. Types of shower heads Flow rate and water use US federal rules limit new shower heads to 2.5 gallons per minute (gpm). … Read more

What does a chest compression feedback device monitor?

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