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|  Stories Resource Availability

From concrete waste to concrete buildings

Earth’s primary resources are finite. Human inventiveness, however, isn’t. At TU Delft’s laboratories, Francesco Di Maio is working on the recycling of concrete waste. Just like the Phoenix, the mythological bird that rises from its own ashes, Di Maio wants new concrete buildings to arise from their predecessors waste. He hopes his technologies will help to transform urban economies into self-sustaining loops.

| READING TIME: 3 MIN

The largest battery ever is just under our feet

Windmills and solar panels are great ways to generate green energy. But what if there is no wind? How can we stock up on solar energy to get through a cloudy day? Hadi Hajibeygi is determined to find the answer to this burning question. He looks into how to use our subsurface as a battery to safely store and retrieve hydrogen. 

| READING TIME: 4 MIN