TED-Ed’s Andrew Zimmerman Jones provides a brief overview of the different ways in which physicists theorize how time and space relate, and ponders the question that time may not be a fundamental property of the universe, and only exists in our collective minds.

Say goodbye to canned air with Nitecore’s portable blower. This bag-friendly gadget has a 26,000 RPM motor to blast air at 43.5 mph. It’s perfect for cleaning lenses and the insides of interchangeable lens cameras, as well as keyboards and other places that trap dust and debris. The kit includes lens and body cleaning brushes.

We love it when performers defy expectations, and Bloodywood definitely does that with their spicy blend of Indian culture and heavy metal music. The track Gaddar (Traitor) is an impassioned political statement against fascist government regimes. Their debut album Rakshak is available for pre-order now. (Thanks Rob!)

Whether you’re a DIYer or a construction pro, understanding math and geometry is critical. DEWALT’s reference guide includes 42 pages of useful equations and rules which will help you measure twice and cut once. Made from durable, toolbox-friendly materials with a spiral-bound edge. Also available for plumbing and wiring.

With the advent of photography, capturing accurate images of living creatures is easy to do. But back in medieval times, we had to rely on drawings to convey what animals looked like. Curious Archive put together this amusing compilation of illustrations where it’s clear the artist had never actually seen the animal.

Gear up for the holidays with Garud’s tactical Christmas stockings. Each one has lots of locations for hanging stocking stuffers both inside and out, with four rows of MOLLE webbing, hooks, and a zipper pouch on its side. Available in a variety of colors as well as camouflage patterns. Includes a removable Velcro US flag patch.

Feeling stressed or anxious? There’s nothing quite so calming as the sound of a rain shower. To help us unwind our minds, UK designer Jez Burrows put together a compilation of soothing rain sounds captured entirely from video games. Since this clip is titled “Part I,” we imagine a follow-up will appear at some point.

Add a bit of cyberpunk style to any desktop with these LED lamps from AshelArt. The 15″ tall lamps are made from a stack of acrylic tiles which diffuse color through their edges and can display a variety of colorful lighting and rainbow effects. It’s sound-sensitive too, so it can change colors to the beat of your music.

Take a ride on what is now the steepest funicular railway, a marvel of engineering that carries passengers up a mountain in Stoos, Switzerland at a crazy 110º gradient. It lifts more than 89,000 pounds, nearly 2500 feet in altitude along its 1.07-mile route.

Those of us who live outside of Africa don’t typically associate the continent with surfing. Lea and Roberto Colombo’s vibrant short film gives us a peek into Africans’ passion for riding the waves with a colorful montage of soothing surf footage juxtaposed with energetic scenes of life on the land.

FavnCrafts makes this tabletop accent lamp inspired by the “digital rain” of code from The Matrix. The 11″ tall lamp is handmade from laser-cut wood with bright LED lighting inside. You can choose from various light colors, but we think it should always remain green.

There’s nothing quite as soothing as aloe vera when you get a sunburn. Business Insider visited the world’s largest aloe farm in the Dominican Republic. There’s an incredible amount of manual labor that goes into harvesting and extracting the insides of each plant leaf before it’s ready for use in products.

Inspired by the machines of Wintergatan, Daniel de Bruin, and Matthias Wandel, fellow maker Ivan Miranda created his own musical marble machine. He designed and built it from scratch using 3D printed parts, a resin drum, and an aluminum frame. The ball bearings make notes by falling onto a MIDI controller keypad.

Losing your bike to thieves is the worst, and the chances of recovering a stolen bike are slim. Give yourself a fighting chance to get your bike back and catch a crook with Woo Cycle’s AirTag mount. It hides discretely on the frame of your bike and provides a weatherproof home for your Apple AirTag so you can track your bike’s location.

Gav from The Slow Mo Guys combined a mix of chemicals that burn in different colors then lit them in front of a circle of fans to create a fire tornado. The colorful plume of fire forms a surprisingly smooth gradient it rises from the barrel below. The top-down views are particularly captivating.

To celebrate the 50th anniversary of San Francisco’s Blue Bear School of Music, Jack Black joined a group of talented kids from the school to perform a cover of David Bowie’s Suffragette City. This just makes us want a sequel to School of Rock in which the original kids are now the teachers.

It doesn’t get more bubbly than the 1984 Wham! hit Wake Me Up Before You Go-Go. But Jeremy Hunter of Ska Tune Network cranks the bubble machine up to 11 with his effervescent cover of the track, jamming it full of energy and upgrading it with a great brass section.

Carry a chair wherever you go with the CLIQ. This amazing portable chair folds down to about the size of a water bottle but can hold up to 300 pounds. It has a sturdy aluminum frame and a ripstop ballistic nylon seat. It’s perfect for camping, festivals, tailgating, or waiting in long lines. Save 10% in The Awesomer Shop.

Excited about The Book of Boba Fett? Boylei Hobby Time can’t wait either, so he made a model based on the scene of Fett holding court at the end of The Mandalorian Season 2. He started with an off-the-shelf Boba Fett model, meticulously painted and distressed it, then created a custom throne, complete with rancor heads.

Like many 4×4 fans, we’ve been dying to get behind the wheel of the new Ford Bronco. Well, we finally got our wish times two with a chance to drive both the 2-door and 4-door versions in the same week. Suffice it to say, we were blown away by the SUV’s design, ride, and capabilities in both on- and off-road settings.

A monochrome take on one of Batman’s baddest looks ever. Sculpted by Alterton Bizarre, this black-and-white polyresin statue stands 7.25″ tall and does a great job capturing the technical juggernaut looks of the armored Batsuit from Frank Miller’s The Dark Knight Returns. Limited to 5,000 pieces.

This rusty toy double-decker bus has seen much better days. But with a little time, effort, and epoxy, Restore Machines made this busted out London transporter look as good as new. Given the huge amount of rust outside and in, we’re shocked at how clean the finished model looks.

High-end luggage maker Rimowa presents a very special limited edition of its Cabin roller bag, wrapping its aluminum shell with a photorealistic image of the lunar surface. It offers 35L of storage space, a flexible divider, dual spinner wheels at each corner, and a TSA-approved lock. Just 750 Cabin Moon bags will be produced.