Geologia

Vários Mapas

https://en.wikipedia.org/wiki/Template:GeoTemplate

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Downloading High-Resolution Topographic Maps for Free

https://www.youtube.com/watch?v=_9i-UrK6Oio

https://maps.lib.utexas.edu/maps/topo/index.html

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Você bebe agrotóxicos? 

Descubra se a água da sua torneira foi contaminada, de acordo com dados do Sisagua

 https://portrasdoalimento.info/agrotoxico-na-agua/

Powder Technology Handbook, Third Edition

https://books.google.com.br/books?id=QhvOBQAAQBAJ&hl=pt-BR&source=gbs_book_other_versions

Global Powder Metallurgy Property Database

http://www.pmdatabase.com/global/home.htm

Metal Powder Industries Federation

https://www.mpif.org/

European Powder Metallurgy Association

https://www.epma.com/

Japan Powder Metallurgy Association

http://www.jpma.gr.jp/en/

 Powder Technology Handbook, Third Edition

https://goo.gl/giyMV2

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Hardness and Tribological 

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Controlling the Hardness and Tribological Behaviour of

Non-asbestos Brake Lining Materials for Automobiles

http://carbonlett.org/upload/files/carbonlett/6-11.pdf

Compositions, Functions, and Testing of

Friction Brake Materials and Their Additives

http://info.ornl.gov/sites/publications/Files/Pub57043.pdf

Hardness and friction behavior of bulk CoAl2O4 and Co–Al2O3 composite

layers formed during Spark Plasma Sintering of CoAl2O4 powders

http://oatao.univ-toulouse.fr/8725/1/Pavia_8725.pdf

Size Separation in Vibrated Granular Matter

 http://bit.ly/245gPtl 

The Brazil Nut and Reverse Brazil Nut Effect

http://bit.ly/1Snd2jT 

Brazil Nut Effect More Complex Than You Thought Previously

https://gizmodo.com/the-brazil-nut-effect-is-more-complicated-than-you-thin-1770850855

Um mapa feito por paleontólogos que perceberam que essa curiosidade é bem comum foi disponibilizado online e permite ver o desenvolvimento do planeta ao longo de diversas eras geológicas.

https://dinosaurpictures.org/ancient-earth#600

Aprenda a montar barraginhas, técnica usada para represar água da chuva nas propriedades

Embrapa disponibiliza material gratuito.

https://ainfo.cnptia.embrapa.br/digital/bitstream/item/128246/1/ABC-Barraginhas-agua-de-chuva-para-todos-ed01-2009.pdf

Criador da técnia: Luciano Cordoval de Barros

https://www.embrapa.br/equipe/-/empregado/270730/luciano-cordoval-de-barros

Reportagem Globo Rural

https://g1.globo.com/economia/agronegocios/globo-rural/noticia/2022/05/20/aprenda-a-montar-barraginhas-tecnica-usada-para-represar-agua-da-chuva-nas-propriedades.ghtml