This is Hacker Daily, for Tuesday, April 24th, 2018. Today we're covering, A device that can control your dreams Is now the perfect time for an RSS renaissance? Blockchain: what is it good for? The evolution of windmills Is Google the next company in the privacy hot seat? How Artificial intelligence is helping scientists discover new materials A homemade barcode scanner for your pantry And finally, Did you know that 2018 is already 30% over? If you had this app, you would.