Power-hungry data centers run hot, so one Chinese company is planning to submerge a pod of servers in the sea off Shanghai with hopes of solving computing¡¯s energy woes.

On a wharf near the city, workers were finishing off the large yellow capsule ¡ª a foray into alternative tech infrastructure that faces questions over its ecological impact and commercial viability.

The world¡¯s websites and apps rely on physical data centers to store information, with growing use of artificial intelligence contributing to skyrocketing demand for the facilities.