Rocket mass heaters can be build and sculpted with recycled and natural materials. A rocket mass heater offers great efficiency, artistic freedom and allow you to build your own with just basic construction knowledge. Find out more at www.naturalhomes.org/permahome/rocket-mass-heater-basics.htm

Rocket mass heaters can be build and sculpted with recycled and natural materials. A rocket mass heater offers great efficiency, artistic freedom and allow you to build your own with just basic construction knowledge. Find out more at www.naturalhomes.org/permahome/rocket-mass-heater-basics.htm

HOME & GARDEN: Earthships, les maisons en matériaux recyclés

Earthships, les maisons en matériaux recyclés

Ce diagramme montre notre adresse cosmique d'un coup d'oeil. Nous voyons notre système planétaire autour du Soleil, notre voisinage stellaire dans notre galaxie, notre galaxie dans le groupe local de galaxies et notre groupe dans l'univers entier.

Ce diagramme montre notre adresse cosmique d'un coup d'oeil. Nous voyons notre système planétaire autour du Soleil, notre voisinage stellaire dans notre galaxie, notre galaxie dans le groupe local de galaxies et notre groupe dans l'univers entier.

Let us design a #solar #tracker using two servo motors, a light sensor consisting of four LDRs and #Arduino UNO board.

Arduino Solar Tracker

Let us design a #solar #tracker using two servo motors, a light sensor consisting of four LDRs and #Arduino UNO board.

A diagram of our location in the observable universe

A diagram of our location in the observable universe

The asteroid 7345 Happer is named after Lancaster's character (Felix Happer) in Local Hero and his quest to have a comet named after him. (JPL Small-Body Database Browser - 7345 Happer (1992 OF)  Classification: Mars-crossing Asteroid  SPK-ID: 2007345)

The asteroid 7345 Happer is named after Lancaster's character (Felix Happer) in Local Hero and his quest to have a comet named after him. (JPL Small-Body Database Browser - 7345 Happer (1992 OF) Classification: Mars-crossing Asteroid SPK-ID: 2007345)

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