Physics is concerned with the interactions of energy, matter, space, and time, in order to discover the underlying mechanisms that underpin all phenomena. …
The order of magnitude of a number is the power of 10 that most closely approximates it. Thus, the order of magnitude estimates the scale (or size) of its …
Scientists frequently use models to help them comprehend a specific collection of phenomena. In physics, a model is a condensed version of a physical …
In any system of units, the units for some physical quantities must be specified through a measurement process. These measurements are the base quantities …
Sometimes, there is a need to convert from one unit to another one. For instance, reading a cookbook in which quantities are expressed in units of liters …
Scientists typically make repeated measurements of a quantity to ensure the quality of their findings and to evaluate both the precision and the accuracy …
Scientists always try their best to record measurements with the utmost accuracy and precision. However, sometimes errors do occur. These errors can be …
The concept of dimension is important because every mathematical equation linking physical quantities must be dimensionally consistent, implying that …
Problem-solving is the ability to apply general physical principles to specific situations, usually expressed by equations. It is an essential skill in …
Light interacts with an organism’s integument on a variety of spatial scales. For example in an iridescent bird: nano-scale structures produce color; the …
Steels are commonly used materials in the fabrication of vacuum systems because of their good mechanical, corrosion, and vacuum properties. A variety of …
A technique to measure the temperature of water and non-turbid aqueous media surrounding an induction-heated small magnetic sphere is presented. This …