div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imagea href=https:reader030vdocumentssitereader030viewer2022020523575068961a28ab0f07b0da6fhtml5page1jpg target=_blank img data-url=5000-light-bulb-and-its-brokenhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: £5000 light bulb – and its broken! loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentssitereader030viewer2022020523575068961a28ab0f07b0da6fhtml5thumbnails1jpg width=140 height=200 adivp© 1995 Nature Publishing Groupp div class=annotation div class=annotationTitleanudiv div class=annotationContentsIMAGE UNAVAILABLE FOR COPYRIGHT REASONSdiv div div class=annotation div class=annotationTitleanudiv div class=annotationContentsIMAGE UNAVAILABLE FOR COPYRIGHT REASONSdiv divdiv