The Physics of an Elephant-Powered Slam Dunk

The Physics of an Elephant-Powered Slam Dunk

I’d do the same thing for the vertical position to show that it's a parabola associated with constant downward acceleration.Here’s what I get:This is the trajectory for the whole thing, including the end where he bounces off the hay bale and flips over.

Canceled Flights, New Waymo Sensors, and More Car News This Week

Canceled Flights, New Waymo Sensors, and More Car News This Week

As coronavirus worries spread throughout the country, we get it: Some of you won’t be moving at all.The share of incorrectly parked motor vehicles observed by a team of Cornell University researchers as they hung out in five major US cities for three days each.

How to Make a Tree With Fractals

How to Make a Tree With Fractals

Here is the basic plan for this tree fractal:Start at some point and move a certain distance in a certain direction.In the code, this pointing vector is the variable a—it's this vector that gets rotated in each branching.

An Astronomer Explains Black Holes at 5 Levels of Difficulty

An Astronomer Explains Black Holes at 5 Levels of Difficulty

Perhaps you even know about things like event horizons, the boundary outside of which escape becomes possible, and gravitational waves , the ripples that black holes generate in the cosmic fabric when they collide.

Measurements Are Often Full of Lies—and That's OK

Measurements Are Often Full of Lies—and That's OK

Recently in my physics lab, students were having trouble with the difference between mass and weight .Weight is a measure of the downward force an object exerts on whatever is supporting it.

Fly Me to the Moon … With Elephants!

Fly Me to the Moon … With Elephants!

I recently ran across an animation showing a Saturn V rocket during liftoff, but with a small modification.Video: Rhett AllainBefore it was launched, the metal ball was at rest and thus had a momentum of zero.

Space Photos of the Week: Reading the Universe in Infrared

Space Photos of the Week: Reading the Universe in Infrared

By filtering for infrared scientists are able to peer through the visible stuff that gets in the way, like gas and dust and other material, to see heat, and in space there’s a lot of hot stuff.

Riot Games Makes More Than Just League of Legends Now

Riot Games Makes More Than Just League of Legends Now

This week, we've got a lot of big game announcements in one small package, and a lot of Fortnite.First, Riot's got a League of Legends fighting game coming out, codenamed Project L.

Adam Savage’s New VR App Lets You Visit Maker Workshops

Adam Savage’s New VR App Lets You Visit Maker Workshops

It’s a partnership between Oculus and Adam Savage’s Tested, an online platform for showcasing the work of Savage and other creative makers and their workshops.In each video, the maker guides the viewer through their creative process.

In Season 3, Stranger Things Rediscovers Its Groove

In Season 3, Stranger Things Rediscovers Its Groove

For all the talk about New Coke being a "plot point" in the third season of Stranger Things , rest easy: The infamous 1985 reformulation doesn't prove toxic to creatures from the Upside Down, or anything else remotely pivotal to the story.

Adam Savage Tells Us How (and Why) He Makes Stuff

Adam Savage Tells Us How (and Why) He Makes Stuff

You might know Adam Savage as the co-host of the television show MythBusters , as the editor of , or as the host of countless web videos that show him building machines, sewing costumes for Comic-Con, and occasionally blowing something up in his San Francisco workshop.

The Evolution of Stereotypical Color-Coded Childhoods

The Evolution of Stereotypical Color-Coded Childhoods

Project I of the series, shot in 2005 as part of Yoon's MFA program at the School of Visual Arts in New York, featured young girls with their pink belongings and boys with the blue.

The Perplexing Physics of Imaging a Black Hole

The Perplexing Physics of Imaging a Black Hole

This image shows the material around a super massive black hole in the center of a galaxy some 55 million light-years away. For the stuff around the black hole, it's not a visible light image.

Right to Repair Is Now a National Issue

Right to Repair Is Now a National Issue

Our work to help people fix their stuff reached a milestone last week, when Massachusetts Senator Elizabeth Warren called for Right to Repair to support farmers struggling with growing antitrust issues in agriculture.

What Is Credential Stuffing?

What Is Credential Stuffing?

Credential stuffing attacks also can't try massive numbers of logins on a site with all the tries coming from the same IP address, because web services have basic rate-limiting protections in place to block floods of activity that could be destabilizing.

Softbank Invests $1B in Robo-Delivery Startup Nuro

Softbank Invests $1B in Robo-Delivery Startup Nuro

It can carry more stuff than sidewalk delivery bots being developed by companies like Marble, and while it drives in the street, its slim profile makes moving safely easier, Ferguson says.

An Energy Evolution: From Delicious to Dirty to Almost Free

An Energy Evolution: From Delicious to Dirty to Almost Free

Still, it's energy from food.Burning StuffLet's say you want to heat up some water. Is it possible to use energy from food to heat the water? Changing the nucleus is what happens in a nuclear reaction.OK, so take an atom like Uranium-235.

A Must-Have Debate About Thanksgiving Meal Essentials

A Must-Have Debate About Thanksgiving Meal Essentials

It's sweet and sour and perfect and brings the whole meal together.Round 2: Mashed Potatoes or Potato Casserole?Watercutter: I'm going to be the pro-carb advocate here and say "both." I love mashed potatoes, especially with whatever gravy can be made from the turkey.

When the Baby in Family Photos Is Actually Made of Silicone

When the Baby in Family Photos Is Actually Made of Silicone

Kunz has seen posts on eBay or Facebook from women trying to sell their doll, saying “they aren’t getting along with their babies." But mostly, people buy Reborns because they make them feel good.On the web, they're everywhere.