Use this question as your rule of thumb for deciding on screen size, weight and battery life. If it’s an everyday traveler, stay small and light, like the IdeaPad 530S at a bit over 3 lbs. that goes up to 8 hours unplugged.1If it’s mostly housebound, opt for the larger scre...
Introduction The wettability measures the degree of wetting, the ability of a liquid to maintain contact with a solid surface, and is the product of a force balance between adhesive and cohesive forces. Adhesion is the tendency of liquid molecules to create an attraction to a different substance...