When we reviewed Bikesystems' BikeHUD motorcycle heads-up display earlier this year, we had two big problems with it. We weren’t impressed with the chunky "monocle" unit that sits inside your helmet, ...

While we have all types of displays these days, there’s something special about those that appear to float in the air. This HUD clock from [Kiwi Bushwalker] is one such example. The build relies on ...