Inspired by helical or spiral veins. which endow plants with excellent flexibility and elasticity to withstand storms. we present novel hollow microsprings with ionic liquid encapsulation for flexible and stretchable electronics. The microsprings were generated by using a coaxial capillary microfluidic device to consecutively spin poly(vinylidene fluoride) (PVDF) presolution and an io... https://emporiumsmokeshopstles.shop/product-category/hand-blown-spoons/