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Make Your Own Tires For RC Cars

By: Lewin Day

You can buy a wide range of RC car tires off the shelf. Still, sometimes it can be hard to find exactly what you’re looking for, particularly if you want weird sizes, strange treads, or something that is very specifically scale-accurate. In any of these cases, you might like to make your own tires. [Build It Better] shows us how to do just that!

Making your own tires is fairly straightforward once you know how. You start out by producing a 3D model of your desired tire. You then create a two-piece negative mold of the tire, which can then be printed out on a 3D printer; [Build It Better] provides several designs online. From there, it’s simply a matter of filling the tire molds with silicone rubber, degassing, and waiting for them to set. All you have to do then is demold the parts, do a little trimming and post-processing, and you’ve got a fresh set of boots for your favorite RC machine.

[Build It Better] does a great job of demonstrating the process, including the basic steps required to get satisfactory results. We’ve featured some other great molding tutorials before, too. Video after the break.

Proton Mail is what email should be, and you can experience it right now

By: Sponsored

Most of you reading this are probably using one of the popular β€œfree” email services, but they aren’t really free, are they? In exchange for letting these companies analyze the contents of your email and track you across the web, you have the β€œprivilege” of looking at targeted advertising stuffed in between your legitimate emails.

Hurdle hints and answers for December 17, 2025

Hurdle game on a smartphone

If you like playing daily word games like Wordle, then Hurdle is a great game to add to your routine.

There are five rounds to the game. The first round sees you trying to guess the word, with correct, misplaced, and incorrect letters shown in each guess. If you guess the correct answer, it'll take you to the next hurdle, providing the answer to the last hurdle as your first guess. This can give you several clues or none, depending on the words. For the final hurdle, every correct answer from previous hurdles is shown, with correct and misplaced letters clearly shown.

An important note is that the number of times a letter is highlighted from previous guesses does necessarily indicate the number of times that letter appears in the final hurdle.

If you find yourself stuck at any step of today's Hurdle, don't worry! We have you covered.

Hurdle Word 1 hint

Empty.

Hurdle Word 1 answer

BLANK

Hurdle Word 2 hint

Unmarried.

Hurdle Word 2 Answer

UNWED

Hurdle Word 3 hint

Payment receiver.

Hurdle Word 3 answer

PAYEE

Hurdle Word 4 hint

Another time.

Hurdle Word 4 answer

AGAIN

Final Hurdle hint

A predatory fish.

Hurdle Word 5 answer

MORAY

If you're looking for more puzzles, Mashable's got games now! Check out our games hub for Mahjong, Sudoku, free crossword, and more.

How to watch PSG vs. Flamengo online for free

Danilo of CR Flamengo celebrates

TL;DR: Live stream PSG vs. Flamengo in the FIFA Intercontinental Cup final for free on FIFA+. Access this free streaming site from anywhere in the world with ExpressVPN.


We know what you're thinking: How exactly is the FIFA Intercontinental Cup any different from the Club World Cup? It's best to not ask too many questions, because we're honestly not sure. But forget all about that, because PSG are facing off against Flamengo in the showpiece event.

Flamengo have battled through a couple of rounds to get here. PSG have been able to focus solely on this final. That's not particularly fair, but that's football.

If you want to watch PSG vs. Flamengo in the FIFA Intercontinental Cup final for free from anywhere in the world, we have all the information you need.

When is PSG vs. Flamengo?

PSG vs. Flamengo in the FIFA Intercontinental Cup final kicks off at 12 p.m. ET on Dec. 17. This fixture takes place at the Ahmed Ben Ali Stadium in Al-Rayyan.

How to watch PSG vs. Flamengo for free

PSG vs. Flamengo in the FIFA Intercontinental Cup final is available to live stream for free on FIFA+.

If this FIFA+ live stream is not available in your location, you can use a VPN to access for free. These tools can hide your real IP address (digital location) and connect you to a secure server in another location, meaning you can access free live streams on FIFA+ from anywhere in the world.

Lve stream PSG vs. Flamengo for free by following these simple steps:

  1. Subscribe to a streaming-friendly VPN (like ExpressVPN)

  2. Download the app to your device of choice (the best VPNs have apps for Windows, Mac, iOS, Android, Linux, and more)

  3. Open up the app and connect to a server in a location with access

  4. Visit FIFA+

  5. Stream PSG vs. Flamengo for free from anywhere in the world

Credit: ExpressVPN
$12.95 only at ExpressVPN (with money-back guarantee)

The best VPNs for streaming are not free, but most do offer free-trials or money-back guarantees. By leveraging these offers, you can watch PSG vs. Flamengo in the FIFA Intercontinental Cup without actually spending anything. This clearly isn't a long-term solution, but it does give you enough time to watch the final before recovering your investment.

If you want to retain permanent access to free streaming sites from around the world, you'll need a subscription. Fortunately, the best VPN for streaming live sport is on sale for a limited time.

What is the best VPN for FIFA+?

ExpressVPN is the best choice for bypassing geo-restrictions to stream live sport on FIFA+, for a number of reasons:

  • Servers in 105 countries

  • Easy-to-use app available on all major devices including iPhone, Android, Windows, Mac, and more

  • Strict no-logging policy so your data is secure

  • Fast connection speeds free from throttling

  • Up to eight simultaneous connections

  • 30-day money-back guarantee

A one-year subscription to ExpressVPN is on sale for $99.95 and includes an extra three months for free β€” 49% off for a limited time. This plan also includes a year of free unlimited cloud backup and a generous 30-day money-back guarantee. Alternatively, you can get a one-month plan for just $12.95 (including money-back guarantee).

Live stream PSG vs. Flamengo in the FIFA Intercontinental Cup final for free.

Memory at the Speed of Light

Look inside a science fiction computer, and you’ll probably see tubes and cubes that emit light. Of course, it’s for effect, but the truth is, people do think light computing may be the final frontier of classical computing power. Engineers at the University of Southern California Information Sciences Institute and the University of Wisconsin-Madison are showing off a workable photonic latch β€” a memory element that uses light.

The device uses a commercial process (GlobalFoundries (GF) Fotonix Silicon Photonics platform) and, like a DRAM, regenerates periodically to prevent loss of the memory contents.

On the device, you’ll find a combination of tiny photodiodes, micro-ring resonators, and optical waveguides. Simulations show the memory element can operate at 20 GHz and might even be readable at 50 or 60 GHz.

If you want to dive deeper, the work is based on a paper from earlier in the year.

SpaceX marks 100th Space Coast launch of 2025 with stunning Falcon 9 images

SpaceX has marked this year’s 100th launch from the Space Coast with some stunning photos of a Falcon 9 roaring to orbit. Click on the post below to see the images in full. The 100th flight took place on Monday from Space Launch Complex 40 (SLC-40) at Cape Canaveral Space Force Station in Florida. The […]

The post SpaceX marks 100th Space Coast launch of 2025 with stunning Falcon 9 images appeared first on Digital Trends.

Kyrgyzstan launches gold-backed stablecoin to modernize cross-border payments

By: DT Staff

Kyrgyzstan is making a bold play for the digital future and they’ve not gone halfway doing it. With the launch of USDKG, a $50 million gold-backed stablecoin pegged to the U.S. dollar, the Central Asian nation is signaling that it’s ready to become a serious contender in global commerce. A hybrid approach to stability So, […]

The post Kyrgyzstan launches gold-backed stablecoin to modernize cross-border payments appeared first on Digital Trends.

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