U.S.-based Husk Power Systems has installed six solar mini-grids in the West African nation and aims to build more than 500 by 2026 with the help of World Bank funding. Colorado-based Husk Power ...

As an undergraduate at the University of Chile, Bernardo Subercaseaux took a dim view of using computers to do math. It seemed antithetical to real intellectual discovery. “There’s some instinct or ...

We recently had a rainy weekend interrupt our original plans to go geocaching. Instead, I took inspiration from John Baichtel's recent posting - Codes For Kids - to introduce my kids to ciphers.

Data from the Instytut Energetyki Odnawialnej shows 1.3 GW of solar projects secured preliminary grid-connection permits in the first half, with around 600 MW securing final approval. Last year, ...

Using the number grid shown (A) it is possible to generate nine-digit numbers in the following way: Start on any square and then move horizontally, vertically or diagonally to an adjacent square ...

A viral optical illusion shows a grid of 23s with one odd number hidden inside. Can you find it before we reveal the answer?