It is a biblical curse: “All the bright lights of heaven will I make dark over thee.” Now a tech startup plans to apply the principle to children who will not focus on their algebra or French.
Smart glasses from the “wellness” firm Narbis can monitor wearers’ brainwaves as they read or study on a computer. The lenses darken when they are judged not to be paying attention and clear as they concentrate.
The spectacles, which are available to order at $590 (£520), are one of the oddest-looking gadgets since the “HushMe” office muzzle, designed to allow workers to make phone calls in absolute privacy. They resemble a chunky pair of sunglasses, but with an additional arm that places a sensor that looks like an…
