5 Things You Didn't Know the Air Force Invented

USAF Secretary Heather Wilson explains. If you have trouble reading this message, [view it in a browser](. [Popular Mechanics]( FOLLOW [Facebook]( [Twitter]( [Pinterest]( [You Tube]( [Google Plus]( [Popular Mechanics]( [5 Things You Didn't Know the Air Force Invented]( USAF Secretary Heather Wilson explains. [Share on Facebook]( [5 Things You Didn't Know the Air Force Invented] [Share on Twitter]( [5 Things You Didn't Know the Air Force Invented] [Share on Pinterest]( [READ MORE]( [Popular Mechanics]( [SpaceX Test-Fires New Falcon 9 Block 5 Rocket Ahead of Maiden Flight (Updated)]( The Falcon 9 Block 5 has improved thermal coating, more thrust, titanium grid fins, new fairings, and plenty more upgrades. [Share on Facebook]( [SpaceX Test-Fires New Falcon 9 Block 5 Rocket Ahead of Maiden Flight (Updated)] [Share on Twitter]( [SpaceX Test-Fires New Falcon 9 Block 5 Rocket Ahead of Maiden Flight (Updated)] [Share on Pinterest]( [READ MORE]( [Popular Mechanics]( [Today's Best Deals: An All-In-One Ryobi Tool Set]( Tackle those looming home projects in style. [Share on Facebook]( [Today's Best Deals: An All-In-One Ryobi Tool Set] [Share on Twitter]( [Today's Best Deals: An All-In-One Ryobi Tool Set] [Share on Pinterest]( [READ MORE]( [Popular Mechanics]( [How Bike-Friendly Is Your City?]( A new system rates cities for cycling—and how committed they are to improving [Share on Facebook]( [How Bike-Friendly Is Your City?] [Share on Twitter]( [How Bike-Friendly Is Your City?] [Share on Pinterest]( [READ MORE]( [Popular Mechanics]( [This Lego Breakfast Machine Can Make You Bacon and Eggs]( It's a truly marvelous invention. [Share on Facebook]( [This Lego Breakfast Machine Can Make You Bacon and Eggs] [Share on Twitter]( [This Lego Breakfast Machine Can Make You Bacon and Eggs] [Share on Pinterest]( [READ MORE]( # [Popular Mechanics]( [Bugs Are Making Us Sicker Than Ever Before]( Insect borne diseases are on the rise, and health officials may not know how to combat them. [Share on Facebook]( [Bugs Are Making Us Sicker Than Ever Before] [Share on Twitter]( [Bugs Are Making Us Sicker Than Ever Before] [Share on Pinterest]( [READ MORE]( FOLLOW [Facebook]( [Twitter]( [Pinterest]( [You Tube]( [Google Plus]( [Unsubscribe]( • [Privacy Policy]( [popularmechanics.com]( ©2018 Hearst Communications Inc. All Rights Reserved. Hearst Email Privacy, 300 W 57th St., Fl. 19 (sta 1-1), New York, NY 10019