The iconic postage stamp was invented by Sir Rowland Hill in 1837 who revolutionized the UK postage system with the use of adhesive stamps and postal reforms. The introduction of stamps and other reforms, such as the use of uniform postage rates based on weight, helped make the prepayment of mail postage not only possible but also practical.
Learn More Scholastic Science World Magazine
Science World Magazine Issue Archive
NASA Science
Science World Magazine Issue Archive
Science World Teacher Homepage
Science Fair Project Ideas, Answers, & Tools
What Are E-E-A-T and YMYL in SEO & How to Optimize for Them
Learn More Scholastic Science World Magazine
Science World Magazine Issue Archive