Inventions and innovations during the Middle Ages:
Heavy Plough: harnessed clay soil, led to an agricultural revolution in Northern Europe with higher yields and more efficient practices
Gunpowder: accidentally invented by Chinese alchemists, used for bullets and cannons
Paper Money: introduced as currency, easier to transport than precious metals
Mechanical Clock: accurately kept track of time, changed work patterns in cities
Spinning Wheel: sped up fiber spinning by 10-100 times
Inventions in the Modern Ages:
Compound Microscope: invented by Zacharias Janssen, magnified objects 3-10 times
Jacquard Loom: simplified textile manufacturing with punched cards for complex designs
Engine-Powered Airplane: created by Orville and Wilbur Wright, marked the age of powered flights
Television: invented by John Logie Baird, used by BBC in 1929
Mole Remover: local invention by Rolando Dela Cruz using extracts of cashew nuts
Banana Ketchup: invented by Maria Orosa, a variety of ketchup popular in the Philippines
Philippine contributions to science and technology:
Ejeepney: major innovation in transportation, dominated Philippine streets
Electric Jeepney: developed to counter disadvantages of diesel-powered jeepneys, environment-friendly
Erythromycin: antibiotic invented by Abelardo Aguilar from Streptomyces erythreus
Medical Incubator: devised by Dr. Fe del Mundo, made from indigenous materials and did not require electricity
Mosquito Ovicidal/Larvicidal Trap System: introduced by DOST-ITDI, made of natural ingredients lethal to mosquitos but safe for humans and the environment