Two Bahraini secondary school students – Jihad Al-\'Akri and Ayman Jaffar Ayyad - in \"Shaikh Isa Secondary School for Boys\" invented a gadget capable of generating \"6-times-cheaper-than-solar-cells-generated\" electric power exploiting the dynamic movement of liquids in domestic piping, which is a new addition to scientific inventions made by Bahraini schools\' students.The school\'s principal, Isa Tahir, congratulated the two students, hailed their inventiveness and remarked that the apparatus enables the generation of cheap eco-friendly electric power for local community usage, and added that the gadget generates electric power from the liquids flowing in domestic pipes available in every household, and praised the efforts of the project supervisor schoolteacher Hussain Al-Showaykh who compiled a feasibility study for the invention.