Who brought the idea of a leap year in our calendar, and why?

Who brought the idea of a leap year in our calendar, and why

The leap year is known as a calendar year, which consists of an additional day. This is done to keep the calendar synchronized with the seasonal or astronomical year. Furthermore, the length of the day is corrected by inserting a leap second into the Coordinated Universal Time. However, leap seconds unlike leap … Read more

Who is the inventor of sellotape? (Richard G. Drew)

Who is the inventor of sellotape Richard G. Drew

The name of the inventor of sellotape is Richard G. Drew, who was an American citizen and a chemical engineer by profession. Drew worked as a researcher in the Minnesota Mining and Manufacturing Company (now known as 3M after initial letters of the first three words). There, he got considerable experience of … Read more

Which is the world’s fastest railway train?

Which is the worlds fastest railway train

Travel has always been a task that is considered fundamental for the development and spread of society. It is in our nature to explore every corner of the world as fast as we can and unveil as many mysteries in our lives as we can. From the development of the wheel, which … Read more

Is it true that Egyptians made the first perfect calendar?

Is it true that Egyptians made the first perfect calendar?

Birthdays. Family celebrations. Work-related or academic requirements deadlines. Meeting schedules. Societal events. Business appointments. And etcetera. All these things existed because we knew about dates, days, months, and years with the use of calendars. It might be just a piece of paper or an app on your smartphones, but it helps make … Read more

Why dates and years are different in different calendars?

Why dates and years are different in different calendars?

Different timekeeping methods existed from the prehistoric up until the Neolithic period. The units utilized for the timekeeping means of various historical societies can be classified into the day, solar year, and lunation. Since the units used are diverse, the dates and years in different calendars are also varied. The first discovered … Read more

Which is the longest lasting light bulb?

Which is the longest lasting light bulb?

  You can see on the left the picture of an electric light bulb, which is unique and appears in almost every edition of “Guinness Book of World Records.” The bulb was not made by a machine but by an expert glass-blower whose job was to give shape to melted glass by … Read more