Energy & Green Tech

Explaining the plummeting cost of solar power

The dramatic drop in the cost of solar photovoltaic (PV) modules, which has fallen by 99 percent over the last four decades, is often touted as a major success story for renewable energy technology. But one question has never ...

Security

Russian hackers of SolarWinds back on the attack

The state-backed Russian group behind a massive hacking campaign revealed last year has re-emerged with a series of attacks on government agencies, think tanks, consultants and other organizations, according to officials ...

Computer Sciences

Are virtual private networks actually private?

In countries where internet censorship and surveillance are government policy, online security is crucial for at-risk users. Journalists, activists, politicians and others with a prominent online presence can face dire consequences ...

Energy & Green Tech

Is it really sustainable for everyone to own an electric car?

Norway is often seen as a shining example of how a country can make its transportation greener by encouraging consumers to purchase electric cars. But Norway's approach isn't for everyone—and it may be hampering the country's ...

Energy & Green Tech

E-kerosene strategy unveiled to achieve carbon-neutral air travel

International flights can transport us to most of the world's major cities within a day or two and later bring us home—often for less than a thousand dollars per seat. This jet-setting, however, comes with a heavy carbon ...

Software

New app tracks human mobility and COVID-19

Analyzing how people move about in their daily lives has long been important to urban planners, traffic engineers, and others developing new infrastructure projects.

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