Greg Walters

Greg’s Recent Articles

Artificial Intelligence
By Greg Walters

AI Earthquake Tracker Is Inspired by Speech Recognition Technology

A Washington DC-based company has developed an artificial neural network that can detect and locate even very minor tremors.

Climate
By Greg Walters

Rising Humidity Due to Climate Change Could Push Humans to Their Physical Limit

It’s not just the heat, but also the humidity, that could make life uncomfortable — and even deadly — for humans as climate change worsens.

Earth & Conservation
By Greg Walters

These Countries Have the Most Unique Music in the World

A computer-based analysis of the world’s folk music found that musical traditions in some countries, especially in sub-Saharan Africa, differ from those elsewhere in the world.

Space & Innovation
By Greg Walters

These Are the High-Tech Weapons the US Might Use Against North Korea

The Hermit Kingdom’s recent successes in missile testing are fueling the Pentagon’s search for high-tech measures that might knock out command-and-control structures or even missiles in mid-flight.

Earth & Conservation
By Greg Walters

Light Pollution Poses a Growing Threat to Human Health and Biodiversity

Economic growth in the developing world is boosting livelihoods, but it is also disturbing plant and animal life that evolved with a daily cycle of light and darkness.

Health
By Greg Walters

Air Pollution Appears to Be Shrinking Men's Sperm

A new study of men living in Taiwan shows a robust association between exposure to fine particulate matter in the air and a reduction in sperm size.

Energy
By Greg Walters

This Brooklyn Clean Energy Experiment Is Going Global

A neighborhood-based energy trading effort in Brooklyn, New York that uses a blockchain, the technology behind Bitcoin, is expanding to the West Coast and internationally.

Transport
By Greg Walters

Tesla Just Unveiled an All-Electric Semitruck and a Very Quick $200k Roadster

Tesla hopes the new lineup can help revive its fortunes after problems with the rollout of its Model 3 sedan.

Transport
By Greg Walters

Tech Startup Arrivo Plans to Build a 200 MPH Hyperloop in Denver, Colorado

The company, led by former SpaceX engineer Brogan BamBrogan, has proposed to build a transit system that would shuttle passengers from Boulder to Denver in just 8 minutes.

Climate
By Greg Walters

Geoengineering the Climate Could Cause Devastating African Droughts

Injecting particles into the atmosphere would deflect some of the sun’s incoming radiation, but a new study predicts it would also likely alter tropical storm patterns in the Atlantic and increase the risk of drought in Africa.

Artificial Intelligence
By Greg Walters

AI Earthquake Prediction Might Soon Forecast Tremors and Save Lives

Predicting the timing and magnitude of earthquakes — a technology long thought to be out of reach — could become a reality with the aid of artificial intelligence.

Earth & Conservation
By Greg Walters

A Layer of Industrial Chemicals Could Mark the Beginning of a New Geological Age

Researchers propose that the flood of synthetic chemicals, pesticides, pharmaceuticals, and personal care products produced after World War II provides a maker for the onset of a new geological epoch, the Anthropocene.