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1 My Pop Life • EXPERT HACKS, GEAR RECS & LIFE-TESTED WISDOM FROM OUR STAFF
Who Is Harley-Davidson? (Who Cares?)
Craft Brewers Have Broken the IPA
Tips for Brewing an IPA at Home • Just like in a professional brewery, making IPA at home is all about the quality and timing of the hops.
CROSSOVER TEST: The Best of the Bestsellers (and a New Challenger)
The Army’s New Goggles Let Soldiers See Right Through Walls
BATTLEFIELD INNOVATIONS OF THE FUTURE
Elizabeth Ann Is the First Clone of a U.S. Endangered Species. She Was 33 Years in the Making
DE-EXTINCTION DEMYSTIFIED • Reviving long-dead animals sounds like sci-fi. But advances in genetic engineering could someday allow scientists to resurrect extinct species like the passenger pigeon, little bush moa, and even the woolly mammoth.
Scientists Just Figured Out How to Turn Your Body Into a Battery
A Small Nuclear Reactor Might Help Solve Amelia Earhart’s Disappearance
A GIANT MYSTERY, SOLVED BY PHYSICS
How to Safely Enter a Black Hole
So, How Do Scientists Really Study Black Holes?
Math Could’ve Saved Texas’s Power Grid
CHALLENGER: A CASE STUDY
Can Science Cure Death? It Sure Looks Like It.
THE UNIFIED THEORY OF AGING, ILLUSTRATED
AN EXPERT CRITIQUES INTRIGUING RAADFEST PRODUCTS • RAADFest presents some potentially compelling innovations in longevity. We asked Nir Barzilai, M.D., director of the Institute for Aging Research at the Albert Einstein College of Medicine, which ones might be too good to be true.
OUTCLASS ITS COMPETITION
GUY BLUFORD has flown CESSNAS, U-2 SPY PLANES and the CHALLENGER SPACE SHUTTLE • Here’s what he’s learned
THE FRONTIER OF DESIGN
The Smart Bulb That Gave Light a New Purpose
Our Tried-and-True Sanding Method (and the Best Power Sanders for the Job)
GRADES OF GRIT
D.I.Y. WOOD FILLER WITH LEFTOVER SANDING DUST
14 Editors’ Choice • AWARD-WINNING TOOLS AND GEAR RIGOROUSLY VETTED BY OUR TEST TEAM
PopMech’s Guide to Garbage Disposals
FROM OUR TESTING
16 How to Be Good at What You Do • ALEX CARLETON, CHIEF CREATIVE OFFICER AT FILSON, 51, SEATTLE, WASHINGTON