Video: One of the walls of the Ham Yard Hotel, in London, displays this amazingly cool wall clock composed by 135 traditional clocks. The hands are synchronised to display not only time but also beautiful geometric shapes.
This Is The Coolest Wall Clock I've Ever Seen
Trending Stories Right Now
Last week, Tesla announced Australian pre-orders for its solar roof, with installations starting in 2018. The idea is fantastic -- replace your house roof with solar tiles that look good, generate power and are even more durable than existing options. But in the real world, is it worth the price? We crunch the numbers to find out.
You use your phone a lot. It runs out of battery. You cry. Solve that.