Sunday's Best Deals: Amazon Gadgets, Range Extender, Water Bottles, and More

The Kindle Paperwhite (and books to put on it), water bottles, and a $30 range extender lead off Sunday’s best deals.

The Kindle Paperwhite (and books to put on it), water bottles, and a $30 range extender lead off Sunday’s best deals.

Human beings have always created tools for calculating numbers, from the ancient abacus to today’s electronic calculators. But here’s an ingenious calculator drawn on paper—the creation of comic book artist Jason Shiga. And he and the folks at Numberphile have created an explanatory video of how it works.
Jessica and Trish’s relationship in Jessica Jones was without a doubt one of the highlights of its first season. We saw it grow from estrangement to affection, culminating in Jessica telling Trish she loved her as she snapped Kilgrave’s neck. They’re the Daria and Jane of superheroes, and it looks like we’re going to…
Just a reminder: We are always looking for futuristic concept art to feature on io9. Please email tips@io9.com if you’d like us to showcase your art! You can also send news and info to that address. Also, check out our official user forum, Observation Deck. And please don’t forget to like us on Facebook!
Niantic Inc., the company behind that app you won’t stop hearing about Pokémon Go, has taken a stand against cheaters in the past, or anybody who violates its terms of service, such as sending out cease and desist letters to tracker apps. Now the company has stated that it will outright ban users for those violations.
When Saturnina Alers was being honest with herself she’d begrudgingly admit she didn’t particularly like Jacqui Green, but in the middle of a war she never got much time for self reflection. Under the service of Aria Joie, most of her days were in meetings, oiling the joints of old mechs, making sure people were…
Looks like evil is going to get scientific on the next season of Supergirl. Executive producer Andrew Kreisberg told Entertainment Weekly that Project Cadmus, originally introduced in Season 1, will be the major villain for the first half of Season 2.

If you haven’t seen the documentary Jiro Dreams of Sushi yet, it’s a fascinating look at the man behind the best sushi restaurant in the world, Jiro Ono, and his obsessive drive to continue to improve his craft, and stay one step ahead of the machines that might one day steal his job. Although he probably doesn’t know…