“We can measure that distance of each individual photon traveling inside the snow,” says Hu, a researcher at NASA’s Langley Research Center.Just as an ant wanders around its underground colony, a photon shot from a space laser takes a random route through the snow.

Not only that, it’s a big, stupid chore that too often comes during those precious early hours of a game when you’re just trying to get your bearings and master the gameplay mechanics.

For an Early Access game, it's honestly hard to tell where Valheim's content thus far runs out.Like Minecraft, every new Valheim quest begins in a randomly generated 3D universe.

You might not spend much time imagining life on a cube, but mathematicians do: They study what travel looks like on all kinds of different shapes.On a sphere, straight paths follow “great circles,” which are geodesics like the equator.

When you turn on your new iPhone, you’ll be greeted by the Setup Assistant, through which you’ll establish essentials like your Wi-Fi network and six-digit passcode, Face ID, your Apple ID and iCloud account, and whether you want to activate Find My Phone and Location Services.

What was not at at all normal: The group was launching an international network to detect pathogens that can jump from wildlife to the human population, a field of inquiry that’s become politicized since the coronavirus pandemic began—and they were doing it with federal money, even though the United States government has been the source of the politicization.

So to understand straight paths on a Platonic solid, you could start by cutting open enough edges to make the solid lie flat, forming what mathematicians call a net.

I can't tell you how many games I've played in the last decade that are clearly riffing on Thirty Flights of Loving.A whole generation of independent games has used this trick, with fantastic results, but Thirty Flights of Loving is still thrilling.

Yep, once he pushes off the ground, his center of mass actually follows a normal parabolic trajectory.Usually when I do video analysis to track the motion of something through space, I graph vertical position in each frame as a function of time.

Photo © Lisa Ballard A green iguana is not exactly Godzilla, but at least in Florida, people are still preparing their defenses.An herbivore that eats an occasional cricket or tree snail, the green iguana is now consuming large quantities of native Florida flora, like the nickerbean, a plant that the rare Miami blue butterfly relies on.

Photograph: Chip Somodevilla/Getty ImagesTo do that, I’m going to use a much simpler problem—predicting the path of a tennis ball tossed into the air.In our model above, the ball lands between 7.93 and 8.06 meters.

Now 99 percent of all exported bananas are Cavendish—with almost all of them grown in Latin America.“What we’re having is an almost apocalyptic scenario where we’ll probably lose Cavendish as well,” says Sarah Gurr, Exeter University’s chair in food security.

A tick best known for making people allergic to red meat can also infect its victims with the deadly Bourbon virus. But the CDC has yet to formally declare Bourbon virus a tick-borne disease, which would require states to report any cases to the federal agency.

The straightforwardly named tool, which lives inside the Strava app, is purpose-built for smartphones and makes finding new routes as simple as tracing your finger over a map: Just draw where you want to go and it spits out an ideal path.

If they’re pessimists, they tend to find negative ones." LEARN MORE The WIRED Guide to Internet Addiction In the latest issue of Nature Human Behavior , Przybylski and coauthor Amy Orben use a novel statistical method to show why scientists studying these colossal data sets have been getting such different results and why most of the associations researchers have found, positive and negative, are very small—and probably not worth freaking out about.

Self-Driving's Outcast Returns With a Robotruck SchemeFormer Googler and Uberista Anthony Levandowski is back on the self-driving scene with a robot truck scheme that values camera and machine learning over lidar and detailed maps.picture alliance/Getty ImagesAnthony Levandowski, the engineer whose alleged theft of trade secrets landed him in the middle of a blockbuster self-driving car legal fight, has stepped back into the spotlight with a new company.

Green growth means reducing dangerous air and water pollution that harm human health, ensuring sustainable expansion of the power sector, managing river basins, making agriculture and infrastructure more resilient, and better protecting natural heritage, including Lao PDR’s rich and globally important wildlife.

Federal, state and local officials, who have already spent days trying to warn people in Florence’s path of the potential severity of the storm, issued some of their most strident pleas yet on Wednesday for people to get out of harm’s way.“We know a lot of our coastal residents have ridden out storms before,” said Gov. Roy Cooper of North Carolina during a Wednesday evening news conference.

First path entirely made of recycled bottles, cups and packaging opens in Zwolle The world’s first plastic bicycle path made of recycled bottles, cups and packaging has opened in the Netherlands, as part of a pilot that could see similar roads open up across the country.