Energy & Green Tech

Solving the problem of battery waste

The increased uptake of electric vehicles (EVs) and home batteries comes with its own environmental and sustainability problem—what to do with the batteries at the end of their lifespan?

Energy & Green Tech

Nuclear industry hopes to expand output with new reactors

The U.S. nuclear industry is generating less electricity as reactors retire, but now plant operators are hoping to nearly double their output over the next three decades, according to the industry's trade association.

Energy & Green Tech

Assessing the environmental impact of nuclear power generation

In a constantly evolving world, rapidly growing populations coupled with urbanization and industrialization are leading to an ever-increasing demand for energy. The challenge today lies in meeting these energy requirements ...

Energy & Green Tech

Climate change is shifting state views on nuclear power

In many of the states with the nation's most aggressive climate goals, officials are investing millions of dollars to save the power source that was long the No. 1 target of many environmental activists: nuclear plants.

Energy & Green Tech

Waste not, want watts: Turning waste into energy

The race is on to reuse waste as energy in the most effective way possible. Combined heat and power is an old idea for saving fuel with a new imperative to slash emissions. Innovative furnaces based on biofuel systems will ...

Engineering

Exploring explosives for expanding geothermal energy

Why are scientists setting off small-scale explosions inside 1-foot cubes of plexiglass? They're watching how fractures form and grow in a rocklike substance to see if explosives or propellants, similar to jet fuel, can connect ...

Security

Why we need philosophy and ethics of cyber warfare

Cyber-attacks are rarely out of the headlines. We know state actors, terrorists, and criminals can leverage cyber-means to target the digital infrastructures of our societies. We have also learned that, insofar as our societies ...

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Power metal

Power metal is a style of heavy metal music combining characteristics of traditional metal with thrash metal or speed metal, often within symphonic context. The term refers to two different but related styles: the first pioneered and largely practiced in North America with a harder sound similar to speed metal, and a later more widespread and popular style based in Europe (especially Germany, Italy, Scandinavia) and Japan (early Visual Kei bands) with a lighter, more melodic sound and frequent use of keyboards.

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