Popular Science USA – July-August 2019

FALL 2019

48

ONE MAN,

ONE SUB,

FIVE DEEPS

60

POSTCARDS

TO THE

FUTURE

66

SPACE

DIARIES

TELL ALL

74

HOW FLAT-

EARTHERS

THINK

82

SCI-FI

DREAMS,

FULFILLED

84

HOME SWEET

MARTIAN

HOME

96

MEGA

MIRROR

MAKERS

90

EXCAVATE

WITHOUT A

TRACE

photograph by The Voorhes POPSCI.COM • FALL 2019 47

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