Popular Science USA – July-August 2019

making it on photographs by brian klutch by m e ga n gannon If humans want to create a lasting presence on the Red Planet, ...

fall 2019 -- page 85 they’ll have to live off the dirt beneath their feet. ...

to build a one-third scale model of what might someday be a home on Mars. Cleanliness happens when you outsource the dirty work ...

POPSCI.COM•FALL 2019 87 architects, engineers, and scientists are exploring how early residents might use recycled waste and the ...

regolith called JSC-Mars-1A, which NASA developed in 1998, and a rotund mold from the Royal Porcelain Factory in Berlin. “You ha ...

POPSCI.COM•FALL 2019 89 line. The “ink” the contraption lays down, layer by layer as it follows instructions from a computer, is ...

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PG 91 POPSCI — FALL 2019 ...

URBAN RUINS LINE A QUIET thoroughfare in the northern reaches of Pompeii. Tall grass and sun- flowers push through formerly tile ...

POPSCI.COM • FALL 2019 93 WHAT LIES BENEATH potentially life- sustaining destinations like Mars or Europa without disturbing wha ...

Layered Ground-penetrating radar reveal a gazebo-like structure and other renova- tions below the surface of a large, public atr ...

town. In the setup, players can walk through the space and experience what it was like to watch a pantomime in Nero’s reign. Ins ...

FA LL 2 01 9 -^ P O PS C I. C O M 96 the Giant Magellan Telescope might one day photograph exo- planets, or look back through ti ...

POPSCI.COM • FALL 2019 97 ...

FA LL 2 01 9 -^ P O PS C I. CO M 98 ...

99 Each mirror starts with 10,000 slabs of borosilicate glass—18 tons in all. The stuff is akin to the Pyrex that holds your lef ...

FA LL 2 01 9 -^ P O PS C I. CO M 100 ...

101 Melting all that glass to the con- sistency of cold honey takes six to 10 hours, but preheating the fur- nace to 2,129 degre ...

FA LL 2 01 9 P O PS C I. C O M 102 Although the surface of the mirror is smooth, the underside features a honeycomb pattern of ...

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