Biometrics in the workplace may be the way of the future. But at what cost?
MIT develops low-cost, high-energy batteries using disordered rock salt cathodes | The new material family primarily comprises manganese, an earth-abundant element less expensive than nickel and cobalt.
‘Natural cement’: Scientists electrocute sand to stop coastline erosion | Calculations estimate that the cost of electrically cementing one cubic meter of ground ranges from $3 to $6.
