Question

can we make hollow flashlight? How?​

Answer 1

$\color{red}\huge\bold\star\underline\mathcal{Hey\:Mate}\star$

here is ur answer :❤❤

HOLLOW FLASHLIGHT is a device that harvests energy from the human hand to power itself. ... The basic principle of the Hollow Flashlight is Peltier Effect Makosinksi's flashlight runs on four Peltier tiles, which convert heat into energy using the temperature differential between a person's hand and the ambient air. ✌✌✌✌