And they have no intentions of giving up their DIY firearms.

Anonymous group of 3D-printed gun makers is spreading online

World Wide Weapons

People interested in 3D-printed guns are sharing the files needed to build the firearms anonymously online, according to a troubling Wired story.

Anonymous Group of 3D-Printed Gun Makers Is Spreading Online

"If they [the government] were to come after me, they’d first have to find my identity."

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"It’s allowing for better health monitoring."

This robot scans preschoolers’ faces daily for signs of sickness

Say "Ah"

Thousands of preschools are using a robot named Walklake that looks for signs of illness by scanning the faces and hands of students.

This Robot Scans Preschoolers’ Faces Daily for Signs of Sickness

It only needs three seconds to tell if a student is sick.

"You have much more rapid subduction when you break up a supercontinent."

New research: The oceans are slowly leaking into the Earth

Wiki Leaks

The Earth's oceans are gradually leaking into the interior of the planet — though nowhere near fast enough to cancel out climate change.

New Research: The Oceans Are Slowly Leaking Into the Earth

Bad news, people.

"The only problem is that nuclear fusion plasmas are highly unstable."

Studying the Sun's atmosphere could make fusion power a reality

Solar Plasma

By studying the plasma in the Sun's atmosphere, we could learn how to control it here on Earth and finally make fusion energy a reality.

Studying the Sun’s Atmosphere Could Make Fusion Power a Reality

Plasma is the most common form of matter in our universe, but it's extremely difficult to study.

A Colorado-based company will build the "foundation of Gateway."

NASA just hired the first contractor to build lunar space station

Power Partner

NASA has awarded Maxar Technologies a contract worth a maximum of $375 million to build the lunar Gateway's power and propulsion element.

NASA Just Hired the First Contractor to Build Lunar Space Station

This lunar Gateway contract is worth up to $375 million.

Amazon founder Jeff Bezos has become increasingly vocal about the idea that humans will eventually live in "giant space colonies."

Elon Musk ridicules Jeff Bezos' plan for space colonies

Dissin' Control

SpaceX CEO Elon Musk said on Twitter that Amazon founder Jeff Bezos' idea for giant off-world space colonies "makes no sense."

Elon Musk Ridicules Jeff Bezos’ Plan For Space Colonies

Musk says Bezos' idea "makes no sense."

A 4.5-hour plane trip would reportedly take just 3.5 hours by maglev.

See China’s newly unveiled maglev train

Float On

China has unveiled a prototype for a new high-speed maglev train that it believes could dramatically cut travel times in the nation.

See China’s Newly Unveiled Maglev Train

It's designed to reach a top speed of 372 miles per hour.

"And everything looked great - which is a good thing, because next time this spacecraft stack hits a vacuum, it will be on its way to Mars for real."

Here's how NASA prepares its spacecraft for Mars

Mars 2020

NASA's Mars 2020 spacecraft just underwent a series of extreme tests to prepare it for the intense conditions on the Red Planet's surface. 

Here’s How NASA Prepares Its Spacecraft for Mars

"This is the most comprehensive stress test you can put a spacecraft through here on Earth."

"Given NASA is no longer pursuing the new mission directorate, Mark has opted to pursue other opportunities."

NASA's Moon mission leader just quit after only six weeks

Restructuring NASA

A NASA executive who was appointed only six weeks ago to lead the strategy for future missions to the Moon has resigned.

NASA’s Moon Mission Leader Just Quit After Only Six Weeks

Will NASA still be able to send humans to the Moon as soon as 2024?

The race wasn't exactly fair. But it was fun.

Watch a Tesla in an underground tunnel race one on the street

Road Warriors

Two Tesla Model 3s race in a new Boring Company video, with one taking the surface streets and the other opting for the company's underground tunnel.

Watch a Tesla in an Underground Tunnel Race One on the Street

Can you guess which car had a top speed of 127 miles per hour?

"In a year and a half, maybe two years, if things go well, SpaceX will probably have more satellites in orbit than all other satellites combined."

SpaceX just unleashed 60 Starlink satellites into orbit

Starlink Express

SpaceX just successfully unleashed 60 of its tiny Starlink satellites that are meant to bring internet broadband connectivity to people across the globe.

SpaceX Just Unleashed 60 Starlink Satellites Into Orbit

60 down, and 11,940 to go.

Get your telescope ready for Saturday night.

Asteroid flying by Earth is so big it has its own moon

Double Trouble

Saturday night, a mile-wide asteroid called 1999 KW4 will fly by the Earth, and when it does, it'll bring with it its very own moon.