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.
What You Need to Know for the 2024 U.S. Solar Eclipse
From Texas to Indiana to Maine, millions will get to experience the surreal darkness simply by stepping outside.
The History of Pi: How The Number Took Over The World
All the magic behind the incredible number that goes on for infinity.
The Wild Conspiracy Theory That the Titanic Never Sank
Believers say one gigantic boat was swapped for another for insurance money. Here’s the truth.
When the Internet Was Invented, It Was First Just for Scientists
Profit or the Wild West? Tim Berners-Lee made a choice we’re all still feeling.
How Far Is the Moon From Earth? And Everything Else You Need To Know About Our Glorious Natural Satellite
What is it actually made of? How far is the moon from Earth? And is there really water up there?
Neutrinos Could Explain Just About Everything in the Universe
You might also know them by their other name: ghost particles.
This Tribal Map of America Shows Whose Land You’re Actually Living On
It’s a history worth exploring on Indigenous Peoples’ Day.
How Heat Waves Work (and Why They’re Getting Worse)
A Union of Concerned Scientists report shows how every part of America will bear the load of climate change.
Everything You Need to Know About Mars’s Mysterious Moons
Phobos and Deimos are small, lifeless, and weird.
Everything You Need to Know About Clean Coal
Is carbon capture and storage technology a pipe dream or panacea?
The Doomsday Clock Turns 75, Reminds Us How Screwed We Are
Time to celebrate nearly a century's worth of decisions that have brought society to the brink of annihilation.
How Do Solar Panels Work? And Where Are They Headed Next?
No, they aren't magic. Here's how solar panels actually convert light into energy.
Blood Types, Explained (Plus: How To Find Yours)
A+, A-, B+, B-, O+, O-, AB+, AB: Which one are you?
The Difference Between Flash Floods and Normal Floods
It’s the difference between simmering and rapid destruction.
What Is a Polar Vortex? The Frigid Weather Pattern, Explained
Here's everything you need to know about the phenomenon that can send temps plummeting into the negatives.
The 12 Best Star Trek Episodes for Celebrating Captain Picard's Return
These episodes sum up Star Trek's greatest captain, who returns this week on Star Trek: Picard.
Are We Reaching Peak Phosphorus? Maybe
The mineral is crucial for fertilizers, but nobody knows how much there is.
Bug-Eyed Telescope Finds Spoooooooky Dead Supernovas
Universe is haunted.
How NASA's VIPER Will Drill Into Lunar Ice
The Ice Rush could be coming soon.
Ex-Military, NASA Veterans Form UFO Research Group
Their mission: legitimize the field with actual science.
Scientists Figured Out a Cool Way to Make Better Gluten-Free Bread
And they held a good ol' cook-off to prove it.
Samsung's Space Selfie Balloon Thing Crash Lands on Michigan Horse Farm
The horses are fine. The balloon thing is not.
NASA's Mars 2020 Rover Stands on Its Own for the First Time
Baby's first drive.
California Beekeeper Thinks 'Rewilding' Might Save Bees
The idea is to let bees be bees.
Climate Change Could Wreck a Quarter of Steel Bridges in 21 Years
A growing challenge to maintenance efforts, to say the least.
Toyota's New Car Could Run on Cow Poo
Smells like the future.
Make Hydrogen Cheap Again
A new catalyst could radically drop production costs.
Sounds Like We're Close to Exploring Jupiter's Crazy-Old Asteroids
Take us there, Lucy.
Guy Says He Can Enter Wormholes and Literally Make It Rain, Which, Hmm
Lots to unpack here.
Germany's Air Taxi Takes Flight
New footage reveals the craft transitioning from vertical to level flight.
The Mission to Scan the Whole Planet with Lidar Before It's Too Late
Amidst the climate crisis, this archaeologist calls his plan "the ultimate gift to future generations."
China Sure Is Building a Lot of High-Speed Rail
A blistering new speed record comes amidst thousands of miles of new track.