It has been argued that infinity-corrected objectives without an auxiliary tube lens cannot produce an image on a camera’s sensor because »they focus on infinity« (whatever that may mean). With the examples shown, this myth has been dispelled.
Sometimes the software you have on your computer just does not cut it. For example, when you start writing a book, a novel, a thesis for your PhD or any other structured document. Sometime, you may want to collect ideas, snippets of information in a kind of a scrap book and sort out the proper […]
It is disturbing what others know about us. Recently, BBC reported a data leakage of information “… from personal details, the data also contained citizens’ suspected religious affiliations, ethnicities and political biases, such as where they stood on controversial topics like gun control, the right to abortion and stem cell research”. Reportedly, the data cache leaked […]