David Grossman

David Grossman

David Grossman is a staff writer for PopularMechanics.com. He's previously written for The Verge, Rolling Stone, The New Republic and several other publications. He's based out of Brooklyn.

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Watch a Space Junk Harpoon Complete a Successful Test Shot

The RemoveDEBRIS is proving to be a viable option for space debris.

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What's in the Green New Deal?

Can it really fight back climate change and move the U.S. to renewable energy?

New NASA Mission Will Create Maps of the Sky Like Never Before

SPHEREx is will look at some of the universe's oldest questions.

opportunity rover tracks
11 of Opportunity's Most Impressive Scientific Triumphs

The unstoppable rover offered an unparalleled study of the Red Planet.

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Left to Their Own Devices, Pricing Algorithms Resort to Collusion

Two sample algorithms reached the same conclusion naturally: They should collude.

October Temperatures Remain Unseasonably High
Stonehenge Might Have Its Roots with Ancient Sailors from France

A new massive research project shows the history of megalithic structures in Europe.

gravity well energy vault
5 Bleeding-Edge Technologies the Green New Deal Needs To Succeed
The Green New Deal proposed by Rep. Ocasio-Cortez and Sen. Ed Markey is ambitious, which it must be if it's going to combat climate cha…
lego prostehtic arm
Engineer Teen Builds His Own Prosthesis From Lego

David Aguilar has a knack for astonishing projects.

Miami Police Erect DUI Checkpoints During Holiday Season
The NYPD Is Angry That Waze Is Warning People About Upcoming DWI Traps

The police force wants the driving app to stop giving a heads-up. No change is likely.

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One Year On, the Falcon Heavy's Successful Launch Is Still Incredible

There's just nothing quite like that booster-landing ballet.

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giant planet impact
Mysterious Iron Exoplanet Could Reveal the Secrets of Our Own Solar System

Ancient collisions thousands of light-years away could teach us about the formation of our own solar system.

sensor fish
Robotic Fish Are About to Take to the Water All Across the World

The sensor fish are ready to take data of your dam and how it affects salmon, today.

raptor spacex test engine
Here's a Fiery Glowing Test of the New SpaceX Raptor Engine

The newly redesigned engine sure looks pretty.

Prisons Are Building Giant Biometric Databases of Prisoners' Voices

It's likely over 200,000 prisoners have been pressured into adding themselves.

Wisconsin Foxconn Manufacturing Plant May Not Happen After All

The company plans to hire "knowledge workers" instead, acknowledges job shortfalls.

knee surgery
Bionic Knee Replacements Are Powered By Your Walk

The rate of knee replacement surgeries is skyrocketing, and these smart knees could help.

nasa opportunity
NASA Is Making Its Last-Chance Attempt to Save the Opportunity Rover

Time might be running out on the historic 15-year mission.