The Event Horizon Telescope, incidentally, is a fantastic example of a large scale decentralised non-governmental collaboration.
That black hole image was taken using 8 separately managed radio telescopes scattered across the planet. It was organised by scientists working in 60 different research institutes in 17 countries across 6 continents. With no motive beyond trying to learn something which they didn't know before.
Buying sunglasses on Amazon, and the video short is of the glasses being hit by a hammer to demonstrate durability. I’m not sure, but if you’re wearing these glasses, and they get hit by a hammer, I think you have bigger problems than broken glasses. http://bit.ly/2RHdBuU
Apparently a lot of people haven't heard of herd immunity so here it is:
If you have a group of 10 people, and 1 of them has a compromised immune system (i.e. an autoimmune disorder, or a child), if the 9 people in the group get a vaccine, they protect that 1 person who is in greater danger. That 1 vulnerable person gets immunity by proximity.
I am a Kenyan living in Nairobi, I travel within kenya and Eastern Africa every so often. i look forward to sharing pictures of my travels whenever i get the chance.