Energy & Green Tech

Fukushima nuclear plant operator: Seismometers were broken

The operator of the wrecked Fukushima nuclear power plant said Monday that two seismometers at one of its three melted reactors have been out of order since last year and did not collect data when a powerful earthquake struck ...

Robotics

A robot that tells growers when to water crops is on the way

Every backyard gardener knows how hard it can be to tell when to water the plants. Multiply that by tens or hundreds of acres and it's easy to see the challenges growers face keeping their crops healthy while managing water ...

Energy & Green Tech

Geothermal energy from shell limestone

In 2017 a huge storage facility in the pores of a sandstone layer at a depth of between 1015 and 1045 meters below Berlin's Grunewald forest that had been used to temporarily store natural gas, to cover the city's fluctuating ...