November/December 2021 3
// STA NDAR DS //
// FEATURES //
▶
13 14 15
1 2 5 6 7
12
3
9 10 11
4
8
My POP Life
Tips, gear
picks, and
vetted
wisdom from
our staff.
p.
Machines
How to build
(and transport)
the world’s
largest
magnet.
p.
Space
How the
moon is
bringing
tidal floods
to more U.S.
cities. p.
Military Tech
An autonomous
drone attack
on human
soldiers signals
a shift in military
strategy. p.
How to Use It
This affordable,
palm-sized
gadget might
be the most
useful piece of
tech you don’t
have yet. p.
T h e Te s t
Grading,
corralling, and
optimizing
the nimblest,
mightiest
robot vacuums.
p.
How to Be
Good at What
Yo u D o
The maker of
soccer balls
that inspire
a worldwide
pastime. p.
Editors’
Choice
This multitool
rivals the
electric drill as
a homeowner
must-have.
p.
From an
Editor
Tweak your
driving
position for
comfort and
control. p.
Big
Important
Product
The best
all-terrain
tires for
winter
driving. p.
Game and
Toy Awards
Tabletop and
video games,
STEM toys
for kids, and
fun tech for
adults. p.
Deep Math
The encryption
method that
can stump
a quantum
cyberattack.
p.
Bioengineering
Designing and
building a life-
saving microchip,
literally smaller
than a speck of
dust. p.
Physics
What
happens
when two
black holes
collide?
p.
Cars & Trucks
The
manufacturing
revolution that
promises per-
formance and
efficiency. p.
// O N T H E C O V E R // P h o t o g r a p h b y J o e l S a r t o r e / N a t i o n a l G e o g r a p h i c P h o t o A r k
POPULAR MECHANICS (ISSN 0032-4558) is published six times per year by Hearst, 300 West 57th St., NY, NY 10019 USA. Steven R. Swartz, President & Chief Executive Officer; William R.
Hearst III, Chairman; Frank A. Bennack, Jr., Executive Vice Chairman; Mark E. Aldam, Chief Operating Officer. Hearst Magazine Media, Inc.: Debi Chirichella, President & Treasurer; Kate Lewis,
Chief Content Officer; Kristen M. O’Hara, Chief Business Officer; Catherine A. Bostron, Secretary. Copyright 2021 by Hearst Magazine Media, Inc. All rights reserved. Popular Mechanics is a
registered trademark of Hearst Communications, Inc. Customer Service: For changes of address, and subscription orders, visit service.popularmechanics.com or write to Customer Service,
Popular Mechanics, P.O. Box 6000, Harlan, IA 51593. Popular Mechanics (PM) cannot be responsible for unsolicited material. Mailing lists: From time to time we make our subscriber list
available to companies that sell goods and services by mail that we believe would interest our readers. If you would rather not receive such offers via postal mail, please send your current
mailing label or exact copy to Mail Preference Service, P.O. Box 6000, Harlan, IA 51593. You can also visit preferences.hearstmags.com to manage your preferences and opt out of receiving
marketing offers by mail. Periodicals postage paid at N.Y., N.Y., and at additional mailing offices. Canada Post International Publications mail product (Canadian distribution) sales agreement
no. 40012499. CANADA BN NBR 10231 0943 RT. POSTMASTER: Send all UAA to CFS. (See DMM 707.4.12.5); non-postal and military facilities: send address corrections to Popular Mechan-
ics, P.O. Box 6000, Harlan, IA 51593. As a service to readers, PM publishes newsworthy products, techniques, and scientific and technological developments. Due to possible variance in the
quality, condition of materials, workmanship, PM cannot assume responsibility for proper application of techniques or proper and safe functioning of manufactured products or reader-built
projects resulting from information published in this magazine.
November/
December
2021
How to Build a
Backyard Chicken Coop
Our A-frame design is inexpensive
and simple, yet luxurious for your
birds. p.
The $20 Million Scientific
Gambit to Save the
Northern White Rhino
We have the technology, but should
we use it? p.
The Miraculous
Ocean Landing of Flying
Tiger 923
With a doomed plane and 76 lives in
his hands, the pilot thought fast. p.
COURTESY JOE WIGHT (TIGER); HENRY HUNG (COOP); THE WASHINGTON POST/GETTY IMAGES (RHINO)
Banca do Antfer
Telegram: https://t.me/bancadoantfer
Issuhub: https://issuhub.com/user/book/