These days, many of us have second and third income sources to help pay our bills or to grow our savings. This bundle of ten useful courses will help you build and succeed at your own home business so you can make a little extra scratch, or maybe even live the dream of working for yourself full-time.

When young, the striped eel catfish likes to stick close to its siblings. In fact, they travel so close together that they look like some kind of larger creature made up of smaller creatures. The Abyss Diving School Bali shared this incredible footage of a school of the fish as they made their way across the ocean floor in Jelemuk Bay.

This compact, fixed-blade bowie knife from CRKT and designer Alan Folts features a 2.13″ stainless steel blade embellished with H.P. Lovecraft’s creepy creation, Cthulhu on both sides. Its blue thermoplastic handle has a textured grip, and both it and its sheath glow in the dark.

Military vehicle camouflage typically relies on paint or netting, but that limits safe movement. French defense company Nexter is testing an adaptive camouflage system that uses moving mirrors to reflect and blend into its surroundings. We’re not sure how well it works when viewed from different angles though.

Googol is the mathematical label for 10 to the hundredth power or 1 followed by 100 zeros. If you tried to count to a Googol, even in milliseconds, you’ll never live to see the end of your count. Look Mum No Computer built an electronic counter that he hopes can be kept alive and running well past his time here on Earth.

ProudGrill’s metal BBQ Skewers have a fishbone design that offer several advantages over traditional skewers. They let you slide food on and off easily, cook more food in one go, and make it easy to cook both sides evenly with a quick flip.

These metal watch cases from Serafino Luxury offer the ultimate upgrade for your Apple Watch. They add a bit of bulk, but they make Apple’s digital timepieces look like high-end wristwatches. They come in a variety of finishes with a stainless steel link band or a leather or silicone strap.

The new Supra finally gets the manual transmission we’ve been hoping for. A 6-speed manual is now available on the GR Supra 3.0, 3.0 Premium, and limited A91-MT models, plus all 3.0 models get new steering and suspension tuning, a “Hairpin+” function for tight, uphill corners, and a new 12-speaker JBL Audio system.

3D printing technology has been a boon for model makers. Knarb Makes shows off a diorama he built of a medieval city with the help of the tech – though there’s still plenty of artistic talent on display. The impressive Venice-inspired scale city has more than 50 buildings, bridges, canals, and lighting.

The last time we saw someone dance on a staircase, it was in Joker. While that was a memorable cinematic moment, Joaquin Phoenix has nothing on the moves of Tuzelity Shuffle, who showed off their impressive synchronized dancing skills on the stairs at an IKEA store.

This pocket-friendly folding knife features a ceramic blade that’s sharp enough to slice through cardboard, clamshell packaging, paper, tape, and string, but less likely to cut skin. It has an ambidextrous design and is compatible with both rounded- and pointed-tip blades, which last about 11x longer than steel blades.

From gondolas to cable cars to staircases to skateboards, there are many ways to get down a hill. But in Funchal, Madiera, you can ride the Monte Toboggans, which are basically wicker sofas on rails steered by a pair of strong-footed pilots. Tom Scott takes us for a ride – without a seatbelt.

Artist Frank Howarth is back with another one of his beautiful spherical wood creations. Rather than following a strict, repetitive pattern, its triangular segments have a random look to them.

Jewelry maker Manly Bands teamed up with DC Comics to create a series of rings inspired by comic book characters. They’re made from materials like black zirconium, cobalt chrome, and Cerakote, and come in Superman, Wonder Woman, Aquaman, Flash, Joker, and an extravagant Bruce Wayne design with black diamonds.

A hero’s engine is a spherical device that spins using steam pushed through a pair of opposing jets. Jimmy Kimmel Live regular “Science Bob”​ Pflugfelder created this unique version of the hero’s engine that spins up rapidly as liquid nitrogen vapors create the necessary pressure to get it spinning fast.

This sturdy handmade pouch from Japan’s Primary Field Leatherworks is made from the same leather used for work boots. Its angular slots provide visual interest and easy access to your everyday accessories. It’s available as a credit card-sized caddy or a larger version that can hold a Field Notes notebook.

There are hundreds of unique ships and vehicles in the Star Wars universe, yet the vast majority seem cohesive and make sense as a collection. Spaceship fanatic EC Henry offers his thoughts on the secret sauce that holds Star Wars design together and offers guidelines you can follow for designing your own ships.

The way that steam engines can propel things using boiling water is pretty amazing. This video from How It’s Made takes us inside a factory that makes radial steam engines and shows not only how they come together, but how they work.

Bookniture’s tabletop stand is perfect for readers who enjoy multiple books at once. The illuminated plywood tower can hold up to five books and keeps them open so you can pick up right where you left off. Made from birch plywood with USB-powered LED lighting.

Garmin’s smartwatch is ideal for tracking outdoor activities, health, and fitness. It has a round AMOLED display that can run for 16 days on a charge, and tech for tracking workouts, heart rate, respiration, pulse OX, sleep, and hydration. Satellite connectivity offers accurate navigation even when your phone has no signal.

Furniture maker Brian Bauer builds these wall-mounted storage units that look like the tailgates of classic pickup trucks. They’re molded from lightweight fiberglass, and have interior wood shelving for bottles and glassware. They have working taillights and can be painted in your color of choice.

For more than 20 years, theater company La Machine has been building massive mechanical puppets that they march through the streets. During an April 2022 performance in Toulouse, France, their fire-breathing dragon-horse Long Ma Jing Shen teamed up with Asterion the minotaur to stare down a giant spider.

This amazing exoskeleton suit from Skeletonics straps around a human pilot and amplifies their movements without using any motors or electrical components. While it’s not capable of lifting heavy objects like some exosuits, seeing the 9-foot-tall kinetically-powered mech mirror its operator’s movements is pretty amazing.