11/10/2021

Engineering

Building out of concrete, but without pouring concrete

EPFL researchers have built a footbridge prototype using reinforced-concrete blocks from walls of a building being renovated. The blocks were cut into individual pieces on site and assembled into a prestressed arch. This ...

Energy & Green Tech

How to make full use of wind energy in a compact city

Wind can be used as a renewable energy source that is clean, uncontaminated, and inexhaustible. Such characteristics have helped wind energy technologies to a key contributor to sustainable development in society, which is ...

Machine learning & AI

Developing an AI that 'thinks' like humans

Creating human-like AI is about more than mimicking human behavior—technology must also be able to process information, or "think" like humans if it is to be fully relied upon.

Business

Yellen says 'confident' US will implement global minimum tax

US Treasury Secretary Janet Yellen said Sunday she was "confident" Congress would pass legislation to implement a global tax agreement in the United States enacting a minimum international tax on big corporations.

Energy & Green Tech

Nuclear option: Earth's climate panacea or poison?

For its supporters, nuclear energy is the world's best—perhaps only—hope to avoid catastrophic climate change. Opponents say it is too expensive, too risky and totally unnecessary.

Energy & Green Tech

The world's slow transition to cleaner energy

The transition towards cleaner energy has made progress but not quick enough to limit global warming to well below 2 degrees Celsius, as agreed in the 2015 Paris climate agreement.

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