Few tools in a modern research facility are as ubiquitous as crystal agitation rods. These simple implements are vital for a wide range of biological procedures. From delicate stirring of fragile prepared mixtures to the dispersal of finely powdered ingredients, a trustworthy stirrer rod is unavoidable. Normally made from superior crystal, these of

The Islamic lunar calendar, also called the Hijri calendar, is a system of timekeeping that depends on the cycles of the moon. Separate from the Gregorian calendar we frequently employ, the Hijri calendar consists of 12 lunar months, each lasting approximately 27 or 30 days. This unique calendar determines numerous Islamic practices and observance