Vertical farming is turning out to be nearly 10 times more efficient than traditional agriculture. The development is being described as an agricultural evolution as opposed to a revolution. 

Sundrop Farms' system creates 39 megawatts of energy per day, enough to maintain 18,000 tomato plants inside a greenhouse. Sustainable farming could be the key to dealing with food shortages brought on by climate change and population growth in the future.

The last culture on the Kardashev scale is capable of jumping between multiverses that contain varied forms of physics and space-time. Someday, we could achieve this level of advancement – but it will likely take tens of thousands of years (or more). 

Holotour is a VR travel app for the Microsoft HoloLens.