How Long Would It Take for a 747 to Stop, Like in 'Tenet'?

How Long Would It Take for a 747 to Stop, Like in 'Tenet'?

But there was one email question that I didn't ignore.So, the question: What is the minimum braking distance for this aircraft.The email included some details like the estimated mass (200,000 lbs) and the fact that it has 8 of its 16 brakes installed.

How Would Deadpool Jump Into a Moving Vehicle?

How Would Deadpool Jump Into a Moving Vehicle?

The first part is the jump from the overpass bridge where he falls down to the vehicle and hits it at just the right time.So, let's start with Deadpool's fall.

Netflix's Social Distance Captures All Your Quarantine Feels

Netflix's Social Distance Captures All Your Quarantine Feels

Netflix ’s new anthology series, Social Distance, is full of Covid-era moments like this.The only people working within the constraints of quarantine in the same way Social Distance did are those making horror movies , which have always been drivers of innovation and can survive a bit of pixelated campiness.

How Much Power Does It Take to Do the Red Bull 400 Hill Run?

How Much Power Does It Take to Do the Red Bull 400 Hill Run?

The idea is to "run" a distance of 400 meters up a very steep incline.In both the slow and fast run up the hill, you will have the same change in energy.You still have the same change in gravitational potential energy.

What If the Big Bang Was Actually a Big Bounce?

What If the Big Bang Was Actually a Big Bounce?

In a brief moment of rapid expansion, that burst of energy inflated the cosmos like a balloon.They analyzed how a collapsing universe would change its own structure, and they ultimately discovered that contraction can beat inflation at its own game.

Amazon Touts AI for Social Distancing Amid Worker Complaints

Amazon Touts AI for Social Distancing Amid Worker Complaints

When a reviewer sees cause for concern in a photo, they include the details in a regular report sent to building managers that summarizes recent social distancing violations in their facility.

Rough, Rugged and Remote: Going the Distance to Save Cape Town’s Water

Rough, Rugged and Remote: Going the Distance to Save Cape Town’s Water

I, the photographer, would be spending three days on the mountain documenting the work of the high-elevation team, a group of trained abseilers who were tasked to scale the high cliffs to cut down water-thirsty invasive pine trees.

Schools Turn to Surveillance Tech to Prevent Covid-19 Spread

Schools Turn to Surveillance Tech to Prevent Covid-19 Spread

“We are very much interested in the automated tracking of students,” says Michael Sawyers, superintendent for New Albany-Plain Schools.A small but growing surveillance industry has sprung up around Covid already, with firms pitching everything from temperature-tracking infrared cameras and contact tracing apps to wireless beacons and smart cameras to help enforce social distancing at work.

What Goes On in a Proton? Quark Math Still Needs Answers

What Goes On in a Proton? Quark Math Still Needs Answers

Faced with a task like calculating how three wispy quarks produce the hulking proton, QCD simply fails to produce a meaningful answer.“It’s tantalizing and frustrating,” said Mark Lancaster, a particle physicist based at the University of Manchester in the United Kingdom.

How Much Energy Does It Take to Blow Up a Planet?

How Much Energy Does It Take to Blow Up a Planet?

This position is measured in pixels, but we can convert it to distance by scaling it to a known object in the scene.But if I only plot its pixel position, I’ll underestimate the distance traveled and thus the speed.

Are Running or Cycling Actually Risks for Spreading Covid-19?

Are Running or Cycling Actually Risks for Spreading Covid-19?

Last week, a Belgian-Dutch research team self-published a report advising runners and cyclists that they should take extra care while passing others on the road, warning them that respiratory droplets that could potentially contain the novel coronavirus might spread further than the 6 feet buffer recommended by public health officials.

Silicon Valley Is Saving Us—for Now

Silicon Valley Is Saving Us—for Now

This enhanced status would come not only from our gratitude to these companies for stepping up during a tough time, but from the recognition that we have been too slow to incorporate new technologies in our lives.

What Coronavirus Isolation Could Do to Your Mind (and Body)

What Coronavirus Isolation Could Do to Your Mind (and Body)

“We can expect depression to kick in, and depression and anxiety are kissing cousins.” These symptoms are likely to be particularly intense during coronavirus-related isolation, according to Lawrence Palinkas, who researches psychosocial adaptation to extreme environments at the University of Southern California.

The Covid-19 Pandemic Is a Crisis That Robots Were Built For

The Covid-19 Pandemic Is a Crisis That Robots Were Built For

Still, you’d be hard-pressed to find a more sensitive interaction between humans than the doctor-patient relationship, and this has remained a thorny problem in hospital robotics.How well a robot can tackle a health worker’s task depends, in some measure, on whether it’s replacing that human interaction, or simply channeling it.

Is it Ethical to Order Delivery During a Pandemic?

Is it Ethical to Order Delivery During a Pandemic?

When it comes to deliveries, services in the US are offering protections for customers like “contactless” drop-offs, where workers leave items for people to pick up.

Covid-19 Can't Stop People From Looking for Love (or Hookups)

Covid-19 Can't Stop People From Looking for Love (or Hookups)

Stories about concerned and confused daters are everywhere, and people’s reactions to the outbreak range from seeking a hookup for the end of the world (and saying so in their dating app profiles) to instantly unmatching with people once they find out that their prospective mate has been on a plane recently.

Meet the Elite Shot Putter Chasing a World Record

Meet the Elite Shot Putter Chasing a World Record

At the Summer Olympics in Rio, in 2016, Crouser sent a shot flying an astonishing 22.52 meters, or just shy of 74 feet.That’s still shy of the world record, which stands at 23.12 meters, but Crouser says it’s only a matter of time before someone sends one flying even further.

Super Planetary-Motion Smackdown: Kepler v. Newton

Super Planetary-Motion Smackdown: Kepler v. Newton

The ancient Greeks studied the earth and the sky, but their basic model had all the objects (sun, moon, and planets) moving in circles around us.Is there a more fundamental model that could explain both the motion of a planet orbiting the sun and the motion of the moon orbiting Earth?

How Long Would It Take to Bicycle to the Moon?

How Long Would It Take to Bicycle to the Moon?

If instead you pedaled for six hours a day, it would take four times as long—so that's almost three years, and it's not even all the way to the moon.

SpaceX Recovered Its First Rocket Fairing. Let’s Crunch the Numbers!

SpaceX Recovered Its First Rocket Fairing. Let’s Crunch the Numbers!

So, if the boat can travel at 30 mph and it has 41 minutes to get to the rendezvous spot for the fairing, how big of a target area do you need.

Golf's Longest Drives Are Creeping Up and Changing the Sport

Golf's Longest Drives Are Creeping Up and Changing the Sport

It seems like the kind of statistic that number-crunching sports fans would agree upon, yet there exists surprisingly little consensus on the distance of the longest drive ever measured in the game of golf .Some say the record belongs to Mike Austin.

A Physics Analysis of Every Jedi Jump in All of Star Wars

A Physics Analysis of Every Jedi Jump in All of Star Wars

A Physics Analysis of Every Jedi Jump in All of Star Wars. For these Jedi jumps in Star Wars, it's plausible to estimate the distance scale by looking at things like Ewan McGregor (height of 1.78 meters) or Liam Neeson (height of 1.93 meters).

The Physics of a Bolt Smashing a Watermelon (or Your Brain)

The Physics of a Bolt Smashing a Watermelon (or Your Brain)

If the bolt hit a hard surface and stopped in a super short period of time, the impact force would be much larger than if it hit a soft surface (soft like a watermelon head).

You Can Play With Escape Velocity—Without Leaving the Planet

You Can Play With Escape Velocity—Without Leaving the Planet

In this case, the force depends on the mass of the ball (m) and the local gravitational field (g) with a value of around 9.8 Newtons per kilogram.

Oculus Takes One Giant Half-Step With the 'Rift S' Headset

Oculus Takes One Giant Half-Step With the 'Rift S' Headset

It was expensive ($599 at the time), required a high-powered PC to run it (another $1,000 or more), lacked hand controllers (the Oculus Touch would come out later that year), and delivered immersion at the price of external sensors that needed to be set up just so around the room.

Soundscapes of Arizona’s Aravaipa Canyon

Soundscapes of Arizona’s Aravaipa Canyon

Photo credit: © Justin Bailie / TNC Nightbirds (May 15, 10:30pm) – Before retiring for the night, I take a long walk up Turkey Creek Canyon, enjoying the robust insect chorus and listening for other night sounds.

Calculate How Fast Quicksilver Is Moving in X-Men Apocalypse

Calculate How Fast Quicksilver Is Moving in X-Men Apocalypse

If I know the time this takes and the total distance, I can calculate the average speed as: Rhett Allain That seems straightforward, but I need to point out that this is the average speed.

Estimate the Friction Coefficient in That Massive Nascar Pile-Up

Estimate the Friction Coefficient in That Massive Nascar Pile-Up

All I need is to determine the acceleration of a sliding car and I can get a value for the coefficient of kinetic friction between the tire and the road.

How to Figure Out a Drone's Angular Field of View

How to Figure Out a Drone's Angular Field of View

How to Figure Out a Drone's Angular Field of View DJI; Wired You know what happens when I get a new toy? But with this new toy, I am going to determine the angular field of view for the Spark camera.

Don't Fear the Robot Overlords—Embrace Them as Coworkers

Don't Fear the Robot Overlords—Embrace Them as Coworkers

The camera data is used to calculate the moment when a robot should stop moving, depending on what it’s doing and its distance to a human, says Patrick Sobalvarro, CEO and co-founder of Veo.