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I’m going 80 mph and it’s so quiet inside my Cybertruck. This tech uses active noise cancelling to always maintain a quiet interior. Tesla uses microphones to detect external noises like road and wind sounds. Once the sound is captured, the system generates sound waves that are exactly out-of-phase...

66,154 görüntüleme • 1 yıl önce •via X (Twitter)

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The Basics of Electromagnetic Waves: Electricity and magnetism can sit still, like static electricity in your hair or a magnet stuck to your fridge. But when they move and change, they actually create each other. Together, they team up to form invisible ripples of energy called electromagnetic waves. Unlike ocean waves or sound waves, which need water or air to ripple through, electromagnetic waves don't need any material at all. They can easily travel through the completely empty vacuum of space. Maxwell's Big Idea: In the 1860s and 1870s, a Scottish scientist named James Clerk Maxwell figured out how this works. He wrote down the math showing exactly how electricity and magnetism link together to make these travelling waves. Today, scientists call his famous rules Maxwell's Equations. Hertz Proves It: Later, a German physicist named Heinrich Hertz took Maxwell's ideas and brought them to life. He was the first person to actually create and catch radio waves. To honour his work, we use the word hertz to measure how fast a wave vibrates (one cycle per second). Hertz's experiments proved two massive ideas: Radio waves are just invisible light: He showed that radio waves travel at the exact same speed as light, proving that they are actually a form of light we just can't see. Going wireless: He finally figured out how to detach these energy fields from physical wires, allowing the waves to fly freely through the air exactly as Maxwell had predicted.

The Math Flow

37,313 görüntüleme • 4 ay önce

So… with a show of hands, who’s buying the fuckin dip? 🙋🏻‍♂️ $TSLA keeps handing out opportunities to the ones who can see the forest through the trees. The market and short-term minded investors seem to be obsessing over one quarter, while I’m looking at where this company is going over the next 5-10 years. Bro… this is what I see: • Deliveries are up +25% YoY to a RECORD second quarter. • Revenue is up +26% YoY to $28.2B, pushing Tesla above $100B in trailing 12-month revenue for the FIRST TIME EVER. • FSD subscriptions up +56% YoY to 1.48 million, with a record 55%+ attach rate on new North American Tesla deliveries. • Energy storage deployments up 41% YoY, with Megapack demand continuing to grow. • Services revenue up 50% YoY, becoming a larger, higher-margin part of the Tesla’s business. • Robotaxis are now operating across seven major metros, with Cybercab production officially underway. • Optimus production lines are being installed this year. • And despite investing more aggressively than ever, Tesla still finished the quarter with $43.5 billion in cash. Sure, margins were under pressure. And yes, free cash flow was negative. But this is bc Tesla is spending $ billions building AI infrastructure, expanding factories, ramping Cybercab, Optimus, batteries, and compute. The Tesla team is investing to build and be the leader for the next decade. Always remember, the biggest returns rarely come from buying when everything feels safe… they come from buying when everyone seems to be shitting their pants, while the fundamentals remain intact. NFA, of course… it’s just my two cents from a nobody. But I’m bullish then ever on the future of Tesla.

Teslaconomics

27,632 görüntüleme • 1 ay önce

I genuinely think the Terafab is going to end up being one of the biggest moves ever made in human history to secure the future of AI... and I think most people still don’t fully see what Elon is trying to do here. The signs are clear to me. This is Tesla, xAI, and SpaceX essentially hinting to us that they are not going to wait on the world to give them the compute the team needs. They are going to build it themselves at a scale no one has ever attempted. When you really break it down, it gets a bit nutty. This is going to be a fully vertically integrated chip factory that will be producing over 1 terawatt of AI compute per year. This is NEXT LEVEL BIG. Today, AI is limited by chips. You can have the best models, the best engineers, the best everything... but if you don’t have enough compute, you will eventually hit a wall. Elon told us, the world can only supply a tiny fraction of the chips his companies will need. So this is the solution. Terafab puts everything under one roof like design, manufacturing, memory, packaging, testing, which means that they can build chips very fast.. like really fast. I'm talking about 100-200 billion custom AI chips per year at full capacity. Chips designed specifically for: • Tesla cars and Optimus robots • xAI models • Space-based compute You see, while other companies and CEOs are thinking Earth, Elon is planning for AI in space. Around ~80% of the compute is expected to go orbital, powered by solar energy bc Earth simply doesn’t have enough electricity. The U.S. grid is only about ~0.5 terawatts, while space has basically UNLIMITED energy if you can capture it. And this is the steps to get it: Starship launches → space compute → solar-powered AI → feeds back into everything to Earth. Bro... Elon and his companies are playing at a whole different level... And this is why I keep telling people that the Terafab is going to be the secret ingredient that will be the real unlock for everything: • Robotaxis at scale • Billions of Optimus robots • Massive AI models running 24/7 • Future off-world, other planet infrastructure Without these chips, none of this can happen... but with the Terafab, all of this becomes possible. That’s why Elon is calling it “the final missing piece.” I agree.

Teslaconomics

25,494 görüntüleme • 5 ay önce

One of the many myths about hedgehogs which I find particulary annoying is "hedgehogs get their name from living under hedges and grunting like a hog". This is not only utter nonsense, it's very dangerous misinformation which has caused the death of so many poor sick hedgehogs, who could otherwise have been saved. Yet I've seen this utter rubbish published on websites of organisations you'd think you could trust to get their facts right. Especially when it comes to such a precious endangered animal. Hedgehogs don't grunt. They don't snort. They don't make any sound at all. Just like us, their breathing is completely silent if they are healthy. Hedgehogs hunt for food. They certainly don't announce their presence to their prey by grunting and snorting as they approach. They are silent, and they hunt via scent and sound. They listen intently, all the time. Their hearing is so incredibly acute they can hear the scurry of insects legs under an inch of soil. Hedgehogs don't come out to hunt in the rain, not because they don't like getting wet, but because the sound of the rain drowns out the sounds of their prey, making hunting imposssible. And hedgehogs are solitary animals. Being solitary means they don't socialise with their own kind, or any other species, so they have no need for a vocabulary, or any verbal communication. The only time you are likely to hear a hedgehog making a sound is the huffing a female hedgehog makes when being courted by a male during mating season. So if you hear a hedgehog snorting or grunting, or making ANY audible breathing sounds, what you are hearing is a very sick hedgehog whose breathing is compromised and who needs urgent treatment from a rescue (never a vet). When a hedgehog is sick, particularly with lungworm, the fluid in the lungs means the air moving in and out makes a bubbling sound. And as the airways become inflamed and swollen, the flow is impeded, making the passage of air noisy. The clip below is of Arthur, recently returned from his hibernation. As you can hear, his breathing has a bubbly, creaky sound. Not too bad, as yet, but bad enough to need treatment - which is probably why he's returned, to book himself into the hospital here.🥰

Hedgehog Cabin

16,753 görüntüleme • 6 ay önce