Computer Sciences

A new perspective on Petri net learning

The state space explosion problem means that the state space of Petri nets (PNs) grows exponentially with PNs' size. Even the fundamental reachability problem is still an NP-Hard problem in general. It has been proved that ...

Computer Sciences

GPT-4 falls short of Turing threshold

One question has relentlessly followed ChatGPT in its trajectory to superstar status in the field of artificial intelligence: Has it met the Turing test of generating output indistinguishable from human response?

Energy & Green Tech

Iraq inches toward solar-powered future

In a small village in the mountains of Iraqi Kurdistan, solar panels adorn most homes, part of a small but growing effort to harness the sun's energy in Iraq, where electricity is scarce.

Energy & Green Tech

California startup to 'sponge' CO2 from the atmosphere

Scrubbing carbon dioxide from the air is imperative if humanity is to limit global warming, experts say, and a California startup says it can do just that, using limestone as a carbon-sucking sponge.

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