Opening windows at a certain time of day can help to prevent condensation and mold from developing, and it's important you do it regularly to prevent the problem.

Blind and low-vision programmers have long been locked out of three-dimensional modeling software, which depends on sighted users dragging, rotating and inspecting shapes on screen.

The hack doesn't require any electricity at all, serving as a simple way to keep the heat in and the cold out as temperatures drop.