Few devices in a contemporary laboratory are as ubiquitous as borosilicate stirrer rods. These simple implements are necessary for a broad range of scientific processes. From gentle mixing of fragile prepared compounds to the scattering of finely powdered substances, a dependable agitation rod is essential. Typically made from high-quality crystal,

The Islamic lunar calendar, also known as the Hijri calendar, is a system of timekeeping that relies on the cycles of the moon. Distinct from the Gregorian calendar we frequently employ, the Hijri calendar consists of 12 lunar months, each lasting approximately 27 or 30 days. This special calendar shapes numerous Islamic practices and observances.