[Lady Jane]

[Lady Jane]

Pule is made exclusively at Serbia’s Zasavica Special Nature Reserve, located 30 miles outside of Belgrade. At roughly $576 a pound, it is the world’s most expensive cheese, and its extreme price tag is made all the more surprising when you discover it’s made using donkey milk.

Donkey milk contains 60 times more vitamin C than cow’s, so it’s extremely healthy, but production is far from cost-effective. Around 25 liters are required to make just one kilogram of cheese, and each donkey typically produces just 200 milliliters per day.

[Lady Jane]

Machu Picchu.

https://en.wikipedia.org/wiki/Machu_Picchu

[Artemis]

Originally Posted by 3.0L

I’ve seen this happen:

Seen it last month again in Rome in the evening skies. Like a school of fish changing direction in a split-second.

Also cool: flying amid vultures in the Spanish Pyrénées. They know way better than us humans where to find the best thermals in the area: it's their instinct and it's all about efficiency (takes less effort to gain altitude in a lazy way). Just look where a flock keeps circling and hear the variometer beeping in excitement once you join their circular flight path (thermal bubble) and follow them moving to another thermal bubble. Yes, they allow you to fly right next to them - they're not scared of the 'big bird' joining the flock (they must have experienced it before, knowing that you're no threat for them). Don't stall. They may briefly give you a weird look so now and then but they mind their own business with their wings spread. Spatial awareness: do mind though other human freeriders/copycats in 'big birds' around you also circling inside the thermal bubble.

[Lady Jane]

[Lady Jane]

The "Roomba" was actually invented in the '50s and known as the Robovac.

[vreihen16]

Originally Posted by Lady Jane

The "Roomba" was actually invented in the '50s and known as the Robovac.

There was a book in the Dewey 001.6 section of my high school library in the 1970's about constructing an autonomous vacuum robot with steps/ledge sensors, bumpers, and a return-to-home charger locating scheme based on sounds and a light strobe.....

[3.0L]

[floridaorange]

Gonna have to pass