It's unclear whether or not they help people quit real cigarettes.
The May 2015 issue is here
PopSci cracks open 10 amazing machines to give you an animated look at the extraordinary tech that makes them work
PopSci gives top honors to the year's 100 most amazing innovations
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Plasma-arc torches are sci-fi made real. And they slice through steel so easily, anyone can use them.
The cast of 'Teen Titans Go! To the Movies' find out what their powers could do in real life.
Worst Science Jobs II: Number 8
New Military Channel program showcases the latest tech designed by the U.S. military.
The shorter your kayak, the smoother your ride.
A new study finds a link between lightning and migraines.
Myths about migraines have been greatly exaggerated.
PopSci tackles life's whys, hows and who-dunnits in this Q&A-style; feature
The Doc plays private dick for a day and stumbles upon the secret of that deadly virus
Where the human body implodes, and more milestones on the way to the bottom of the ocean
Science blogger Yvette d'Entremont fights pseudoscience with snark
Our editors scrounged up some truly bizarre facts.