The invention of the common household incandescent light bulb configuration featuring durable tungsten filaments was patented by whom? MCQ with Answer and Explanation

Explanation:
Graham mixed white tempera paint in a blender in the 1950s to fix her typing errors, later scaling the multi-million-dollar Liquid Paper company.

Explanation:
Heike Kamerlingh Onnes discovered superconductivity in solid mercury cooled to 4.2 Kelvin using liquid helium in 1911.

Explanation:
Eric Fawcett and Reginald Gibson accidentally produced white waxy polyethylene solid residue while testing high-pressure ethylene reactions at ICI in 1933.