More from John Kennedy (Page 2)

A woman lying on her stomach on a couch, looking at her phone, wearing headphones, and with her feet in the air.

The beginner’s guide to Substack’s new app

By John Kennedy

A person wearing a jean jacket and posting multiple photos to their Instagram story at once on an iPhon.

The fastest way to post multiple Instagram story pics at once

By John Kennedy

A red-haired woman facing the camera, using her black iPhone to take a photo, with the phone covering her face.

Make the most out of your iPhone’s back tap feature

By John Kennedy

Two people sitting at a wooden table in an office space, with one of them writing in a paper calendar, and the other looking at a phone while working on a laptop.

Syncing Google and Apple calendars is less annoying now

By John Kennedy

A few slices of pepperoni pizza.

The best way to reheat pizza (and some things you should never do)

By John Kennedy, Sandra Gutierrez G.

The Craiyon interface, showing a courtroom sketch of a sperm whale vs. a giant squid

5 ways to get Craiyon, formerly Dall-E mini, to bend to your will

By John Kennedy

A woman wearing a gray shirt and blue jeans using a laptop on her lap with the Popular Science archive on the screen.

How to read the Popular Science archives

By John Kennedy

A young woman sitting at a table in a dimly lit room, typing on a computer with a lot of books on the table.

Google’s expanded Markdown feature could change how you work

By John Kennedy

An iron pot on a spit above a cooking fire.

How to build the best cooking fire right on the ground

By John Kennedy

A person holding up their phone in front of a cityscape at night to take a photo for an Instagram Story.

Perfect your aesthetic by choosing your own Instagram Story background

By John Kennedy

A blonde woman in a white shirt sitting in front of a laptop and a smartphone, editing a photo in a photo editing program.

How to convert HEIC files—or prevent them altogether

By John Kennedy

A person with their hand on their face while they look at their phone in a dimly lit room.

A comprehensive guide to using social media when your safety’s at risk

By John Kennedy, Sandra Gutierrez G.

A woman with red lipstick on standing very close to a TV screen that's playing black and white static, as she gently touches the screen with her hand.

How to clean a TV screen

By John Kennedy

A laptop with a bunch of Google Chrome browser tabs open.

This hidden Chrome trick lets you organize your tabs exactly as you want

By John Kennedy

A laptop running Zoom sitting on a blue desk in an empty school classroom.

How to avoid seeing yourself on video calls

By John Kennedy

A man holding an iPhone with his Photos app open.

The one move that will select all the photos on your phone

By John Kennedy

A person on a FaceTime call with someone while sitting at a table full of delicious-looking food.

The best way to share your screen on a FaceTime call

By John Kennedy

A stone building under power lines during a snowstorm.

The safest ways to stay warm during a power outage

By John Kennedy

A man sitting on a bench outside a brick building looking intensely at his phone.

Get quick access to important conversations in your iPhone’s Messages app

By John Kennedy

A woman with red nailpolish holding an iPhone and using a Macbook laptop to secure her online accounts.

Your guide to better online security

By John Kennedy

How to embed an Instagram profile on any website (and keep people from embedding yours)

By John Kennedy

A person using a Mac desktop computer while also using Google Calendar.

What to know about using Google Calendar’s Time Insights feature

By John Kennedy

hand holding phone showing google maps on screen

How to use the new ‘busy area’ icon on Google Maps

By John Kennedy

A woman in a white t-shirt holding her phone and looking confused.

What to do if your iPhone home screen disappears

By John Kennedy

A person holding an iPhone X with a customized Safari Start Page—the new tab page on iOS.

Give iOS Safari a fresh look by customizing your new tab page

By John Kennedy

An Asian man with short hair and glasses wearing a black jacket and a green backpack while zooming in on something on the screen of his iPhone.

iOS 15 lets you tweak text size in individual apps. Here’s how.

By John Kennedy

A person holding a phone with an Instagram story on the screen showing a website link on the post.

Anyone can add links to Instagram Stories now. Here’s how.

By John Kennedy

Flower crown made out of face masks

3 Halloween costumes you can make with reused masks

By John Kennedy, Sandra Gutierrez G.

Google Maps showing an eco-friendly route from New York City to Boston.

How to use less gas when driving with Google Maps

By John Kennedy

A person waving goodbye to a Twitter user they removed from their list of followers.

You can now force someone to unfollow you on Twitter. Here’s how.

By John Kennedy

a person walking a dog along a trail in the forest

The right way to walk your dog

By John Kennedy

A person holding an iPhone and taking a picture of some doughnuts.

A beginner’s guide to image metadata on iOS 15

By John Kennedy

A person in silhouette using their phone.

How to create burner email accounts with iOS 15

By John Kennedy

A bald man wearing headphones and a backpack in a crowded area, maybe a train station.

The easiest way to cue up calming sounds on your iPhone

By John Kennedy

A person in a green shirt sitting in front of a computer while a person in a black shirt leans close over their shoulder.

How to use Apple’s new Mail Privacy Protection to fight email tracking

By John Kennedy

A person holding an iPhone in front of a window while having a FaceTime call with someone in a red sweatshirt.

How to share a FaceTime link with anyone, even an Android user

By John Kennedy

A person pouring a bunch of salt into a metal cooking pot on a gas stove.

Quick fixes for common cooking mistakes

By John Kennedy

Some dinosaurs on the PopSci Ask Us Anything podcast background.

Ask Us Anything

What would a dinosaur taste like?

By John Kennedy

A person standing in a glass shower, washing their hair, with soap suds on the glass shower door.

How often should I shower?

By John Kennedy

A person holding their phone while drinking coffee, possibly deleting text message attachments from their device.

Delete message attachments on your phone to free up space

By John Kennedy

A person sitting in a dark room with their hand on their face, staring at a phone as they try to figure out how to undo something in the iOS Notes app.

The simplest way to undo text in Apple’s Notes app

By John Kennedy

A stack of papers that would be hard to merge together if they were PDFs.

How to combine PDF files for free without sketchy online software

By John Kennedy

A woman with curly, dirty blonde hair sitting in front of a gray laptop with her hands in the air in an act of confusion or frustration.

I used Google Tasks to turn my Gmail inbox into a to-do list, and now nobody can stop me

By John Kennedy

A frustrated woman sitting on the floor of a bathroom, resting her arm on the carpeted lid of a toilet.

How to fix a moaning toilet

By John Kennedy

The 4 body parts you’re probably forgetting to protect from the sun

The 4 body parts you’re probably forgetting to protect from the sun

By John Kennedy

A person sitting at a coffee shop, using a phone while wearing headphones and a cap.

Easily convert a PDF to an image on your phone

By John Kennedy

a basic wooden clamp holding a 2-by-4 stud down on a work surface in a garage

Literally the most basic clamps you can make

By John Kennedy

a work surface made of MDF that fits on top of saw horses

Build a semi-permanent work surface you can put away easily

By John Kennedy

a home office with a solid wood desk and many windows looking out onto a snow-covered forest

The best tips for working from home, from people who do it all the time

By John Kennedy

A laptop open with an image of Google Maps on the screen.

5 uses for Google Maps beyond navigation

By John Kennedy

Two bamboo toothbrushes, one with tan bristles and one with blue bristles, on a white towel.

How to safely turn your old toothbrush into a household cleaning tool

By John Kennedy

A woman in a red bathing suit sitting on the floor by a sliding glass door, staring at the ocean outside.

How to fix a sliding door without taking it down

By John Kennedy

A woman sitting behind a laptop, looking somewhat amused.

This free tool can reveal who is behind any internet domain

By John Kennedy

A person in a red plaid shirt sitting in front of a laptop computer, gesturing with their hands.

5 sleuthing skills that’ll reveal the age of any web page

By John Kennedy

US Senator Bernie Sanders edited into a vintage Popular Science magazine cover to look like he's driving an experimental single-wheel motorcycle.

How to make a legendary meme

By John Kennedy

A line of protesters with signs standing in a street, just feet from a line of police with riot shields.

How to save important photos and video from the web

By John Kennedy

A man sleeping in a bed on a pillow with a white blanket.

Take the best naps, with science

By John Kennedy

a wooden three-legged stool on a brick patio

13 tips, tricks, and projects to start 2021 off right

By John Kennedy

a person holding an "I Voted" sticker on their finger

How to prepare for in-person voting during the COVID-19 pandemic

By John Kennedy

Go full-on mad scientist by making your own Halloween candy

By John Kennedy

a man sitting and thinking in a room

How to decide who to vote for

By John Kennedy

a paper fortune teller

Five classic paper toys you can make when you’re bored (whether you’re in school or not)

By John Kennedy

a gym full of exercise equipment

You should definitely rotate your workouts

By John Kennedy

a man stretching out and warming up before exercise

There’s a better way to warm up than stretching

By John Kennedy

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