Day: July 29, 2017

Homemade Computer from 1970s Chips — Hackaday

Sometimes it starts with a 555 timer and an op-amp. Other times with a small microcontroller. But the timing’s not so great and needs a dedicated timing crystal circuit. And maybe some more memory, and maybe the ATtiny should be swapped out for some 74LS-series chips. And now of course it needs video output too. […] via Homemade Computer from 1970s Chips — Hackaday

Five Writers on What It Means to Be a Friend — Discover

Five stories and perspectives on friendship. via Five Writers on What It Means to Be a Friend — Discover

Brief delights — Harvesting Hecate

Summer is a season of brief delights. Tiny beings on gossamer wings cloud the air for fleeting moments. Meadows undulate in an abrupt dazzle of colour. Birds swoop in from their long journeys to a frenzy of feasting and breeding. It is a season where things appear like magic, before vanishing as though they were never there. […] via Brief delights — Harvesting Hecate