PostsCommentsPayoutslenkapenka (18)in #news • 6 years agoResearchers Crack the Code of Flying DoughnutsScientists have figured out how to make doughnut-shaped pulses of light. And, no, you can't eat them — but this is a big deal for at least three other reasons: 'Doughnut-shaped…lenkapenka (18)in #life • 7 years agoParadox of productivity: why awareness is more important than efficiencyThe pursuit of productivity causes stress Since childhood we have been taught that we will achieve our goal if we work harder. We are told that it is always better to work…