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"We observed anisotropic emission polarization, low-loss waveguiding below 3 decibels per millimeter and efficient low-threshold light amplification below 20 microjoules per square centimeter," he said.

The cell could produce up to 100 microjoules per square centimeter from a single heating/cooling cycle, which is not much energy, but enough to be useful for IoT purposes, according to the research.

I remember being completely blown away by the colors on the canvas; the detail you find in every single square centimeter is ridiculous.

“I left my home in north Gaza more than three and a half months ago, and I’ve yet to find a single square centimeter in Gaza where it’s safe,” said Ziyad al Najjar, 63, who was dismantling his tent and getting ready to move his 16 family members to be closer to relatives in the Zawaydeh neighborhood.

They showed that their system could efficiently convert CO2: It generated current densities of more than 300 milliamperes per square centimeter.