And so [GreatScott] did just that, with his own side-by-side comparison. He made a 100-watt solar panel and mounted it on his roof beside his commercially produced 100-watt one and compared their ...

In a north London suburban street there is an unassuming wooden door which leads into a garage-cum-workshop which at first glance is remarkable only for a drum kit at one end. A second glance reveals ...