Phil Reale retweeted
Tiny “water bears" woke up in space — and calmly came home.
For the first time, scientists ran a full cycle of experiments with multicellular animals directly in orbit. Tardigrades in a state of cryptobiosis were sent to the ISS. On the sixth day, an Indian astronaut added water to the samples — and about an hour later, 106 of the 180 observed individuals began to move.
After the 18-day mission, the samples were returned to Earth. Rehydration showed that roughly 45% of the space-faring tardigrades successfully survived the entire 64-day experiment: two cycles of “hibernation — awakening,” microgravity, elevated doses of cosmic radiation, and prolonged lack of food and water.
The survivors didn’t just revive — they retained the ability to reproduce fully, laid eggs, and produced healthy offspring.
These microscopic creatures once again proved that they can switch their metabolism almost to zero and turn it back on when conditions become favorable — even in open space.
🤖 Made with AI
Phil Reale retweeted
Scientists Built a Tiny “Black Hole” Out of Ultrcold Atoms and Vibrating Light Mirrors
What if you could study the event horizon of a black hole without leaving the lab — and without any actual gravity?
Physicists just did exactly that, but with a clever twist. Instead of trapping light between solid mirrors, they trapped waves of ultracold atoms between mirrors made of pure light. The result is a matter-wave cavity that recreates key mathematical features of a black-hole (and white-hole) horizon.
The impossible experiment that became possible
Theory predicts that if you place two mirrors facing each other and vibrate one of them extremely fast — at a frequency matched to the light bouncing between them — the light field inside develops horizon-like behavior. Pulses of light would be drawn one way toward a stable point and repelled from an unstable one, mimicking the one-way nature of an event horizon.
The catch: for ordinary light, those mirrors would need to vibrate at frequencies close to the speed of light. Impossible.
David Weld and colleagues at UC Santa Barbara solved the problem by swapping the roles of light and matter. They cooled lithium atoms to near absolute zero, turning them into a Bose–Einstein condensate whose quantum wave nature dominates. These “matter waves” were confined between two sheets of laser light that acted as weightless, movable mirrors. Because the atoms move far slower than light (less than a meter per second), the team only needed to oscillate one of the light sheets at about 100 Hz — a frequency easily achieved in the lab.
Watching horizons form in slow motion
When the oscillating mirror was driven near the cavity’s resonance, the diffuse cloud of atoms rapidly collapsed into a tight, moving pulse. By photographing the system once per oscillation cycle, the researchers saw something striking: no matter where a pulse started, it always drifted toward the same stable fixed point and away from an unstable one.
This one-way concentration is the laboratory signature of the predicted horizon-like dynamics. Driving the mirror at twice the frequency produced two separate pulses, each locked to its own trajectory.
Why it matters
This is not a real black hole — there is no gravity and no spacetime curvature in the usual sense. It is a precise analog system. The mathematics that governs the atoms’ behavior maps onto the mathematics of light near black-hole and white-hole horizons. That makes the setup a controllable, observable platform for exploring questions that are otherwise almost impossible to study: the detailed dynamics near horizons, the role of quantum fluctuations, and potentially even analogs of Hawking-like processes.
In short, by making light into mirrors and atoms into waves, physicists have opened a new window onto one of the most extreme and mysterious objects in the universe — all inside a tabletop experiment with lithium atoms cooled to a whisper above absolute zero.
Phil Reale retweeted
Congratulations to miner bc1q~g4m7 for solving the 321st block - yet another super lucky one at solo.ckpool.org with ~161TH of hashrate on a 161TH worker! A miner of this size has about a one in 126 chance of solving a block in a year.
mempool.space/block/00000000…
Phil Reale retweeted
This is the Airbus Racer, and the trick isn't the propellers. It's the wings.
A helicopter can't just add power to go faster. Past a point the retreating blade stops making lift. So the Racer's wings carry about half the lift in cruise, and the main rotor can slow down.
The catch is that you pay for that speed in parts. Long driveshafts, wings, more to maintain. That's why Airbus still calls it a demonstrator.
Forget the 240 kt target. In cruise the main rotor gets only 20-25% of the torque.
Video: Aerowl Aviation
Phil Reale retweeted
Every Veterans Day at 11:11 a.m., the sun lines up perfectly with the Anthem Veterans Memorial in Anthem, Arizona.
Replying to @RealAmVoice
Is this different from the other Iranian regime that was obliterated 4x already?
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Replying to @Leonajardinho
Insurance Attorney. Highly recommended, out of experience. Get one on the phone.
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Phil Reale retweeted
New job interview rule:
If the interviewer is AI, you are legally required to bring an AI interpreter.
Do not go in raw. You will get cooked.
Watch what happens when the candidate has backup.
#AI #JobInterview #Hiring
Replying to @accounting
They are so lame. Totally presumed it would not be taxed. The zero gains exposure was a great, incentivized net neutral SBR acquisition model.
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Phil Reale retweeted
여섯번째 생존법.
재난이나 전시 상황에 도시를 탈출(Bug Out)하려던 사람들의 80%는 목적지에 도착하기도 전에 길 위에서 죽습니다.
영화 속 주인공들은 차를 타고 유유히 교외로 빠져나가 시골 은신처에 도착하지만, 현실의 피난길은 가장 처참한 약탈과 조난의 무덤입니다.
이번 사례는 우크라이나와 러시아를 참고했습니다.
문명이 붕괴하는 순간, 도시를 벗어나기 위해 반드시 알아야 할 5대 피난·탈출 생존 철칙입니다.
1. 재난 터지자마자 차를 몰고 고속도로로 나가지 마라
재난 사이렌이 울리는 순간, 수백만 명이 동시에 차를 끌고 나옵니다. 도심 주요 간선도로와 고속도로는 1시간 안에 '움직이지 않는 거대한 철창'으로 변합니다.
- 도로가 막히면 유턴도, 후진도 불가능합니다.
- 히터를 틀다 연료가 바닥나면, 영하의 도로 한가운데에 버려진 금속 관 속에 갇히는 꼴이 됩니다.
- 차량 탈출은 재난 경보 후 '단 1~2시간 이내'에 도시 외곽을 완전히 통과할 수 있을 때만 유효합니다. 그 타이밍을 놓쳤다면 차라리 튼튼한 오토바이, 산악자전거, 또는 도보가 10배 안전합니다.
2. 밀리터리 전술 배낭을 메는 순간 당신은 1순위 표적이 된다
카키색, 카모플라주 무늬의 몰리(MOLLE) 전술 배낭에 전투화를 신고 나서는 것은, 약탈자들에게 "내 가방에 비싼 생존 장비와 비상식량이 가득하다"고 광고하는 자살행위입니다.
- 극한의 혼란 속에서는 누구의 눈에도 띄지 않는 '회색 인간(Gray Man)'이 되어야 합니다.
- 낡고 평범한 학생용 백팩, 허름한 스포츠 가방, 때 묻은 비닐 쇼핑백에 장비를 나누어 담으세요.
- 겉모습은 누구보다 가난하고 절박해 보여야 약탈자의 표적에서 벗어납니다.
3. '시골 친척 집'이라는 막연한 탈출은 노숙자로 가는 지름길이다
미리 연료, 식량, 방어 수단을 완벽하게 비축해 둔 '검증된 베이스캠프'가 없다면 무작정 도시를 떠나지 마세요.
- 평소 연락도 없던 시골 친척이나 지인의 집은 당신의 피난처가 되어주지 않습니다. 그곳 사람들도 이미 자원 고갈과 침입자 공포로 극도로 예민해져 있습니다.
- 연고도 없는 시골로 향하는 것은 스스로 자원이 고갈된 채 길거리 노숙자가 되겠다는 선언입니다.
- 확실한 목적지와 도달 경로, 예비 루트(Plan B)가 없다면 무리하게 길을 나서지 마세요.
4. 가장 강력한 탈출 무기는 총이 아니라 '신발과 양말'이다
피난길에서 당신을 살리는 것은 고가의 장비가 아니라 당신의 '발'입니다. 도로가 마비되면 결국 수십 킬로미터를 걸어야 합니다.
- 평소 신지 않던 새 등산화나 군화를 신으면 5km도 못 가 발뒤꿈치가 까지고 물집이 터져 그 자리에 주저앉게 됩니다.
- 완전히 발에 길들여진 편안한 트레킹화나 러닝화를 신으세요.
- 그리고 반드시 '여분의 울(양모) 양말 3켤레'와 물집 방지용 바셀린, 테이프를 챙기세요. 발이 망가지는 순간 당신은 이동력을 잃고 그 자리에서 낙오자가 됩니다.
5. 골든타임 2시간을 놓쳤다면, 탈출을 포기하고 실내를 요새화하라
재난 발생 직후 2시간이 지나면 도로는 패닉에 빠진 군중, 버려진 차량, 경찰의 바리케이드로 아수라장이 됩니다. 이때 뒤늦게 짐을 싸서 거리로 뛰쳐나가는 것은 무법지대 한복판에 맨몸으로 뛰어드는 짓입니다.
- 초반 골든타임을 놓쳤다면, 무리한 탈출을 포기하고 즉시 집 안으로 후퇴(Bug In)하세요.
- 문과 창문을 굳게 걸어 잠그고, 물을 최대한 받아두며, 초기 72시간의 대혼란과 군중 패닉이 가라앉을 때까지 조용히 숨죽이고 버텨야 합니다.
- 탈출은 도로의 혼란이 정리되고 군경의 통제가 시작되거나, 혼란이 진정된 이후에 시도해도 늦지 않습니다.
최고의 탈출은 영웅처럼 길을 뚫는 것이 아니라, 군중의 패닉에 휩쓸리지 않는 냉정함입니다. 가족의 안전을 위해 이 글을 북마크해 두세요.
Coolest story I've read on X in a while on flight stories.
I know first hand this is true. Early in my fighter pilot career (1980 timeframe), our 79th Tactical Fighter Squadron was deployed to Ovar, Portugal for "Open Gate 80" exercise. One of our assigned missions was to take our pair of F-111E jets and try to play the role of "Red Force" with a mission objective to see if we could successfully "sneak up" on the NATO Fleet in the Atlantic Ocean.
We carefully calculated the "ducting layer" (where radar energy can be ducted well beyond the horizon) from the atmospheric data over the ocean that day. The ducting layer was calculated to be 340 ft above mean sea level (MSL). So we chose to sneak in supersonic at 400 feet above MSL. We refueled from a KC-135 Tanker to top-off our 34,000 lbs of JP-8 fuel capacity (we would need every drop of it for this mission) before diving down to the deck.
We used our Low Altitude Radar Altimeter (LARA) to calibrate our barometric pressure altimeter to precisely match the LARA at 400 ft MSL. We then turned off the main radar, terrain-following radar (TFR) and LARA so we were emitting no electromagnetic energy from our F-111E jets.
We cruised as a 2-ship in line-abreast formation where I was positioned 6,000 ft abeam my flight leader. We set our supersonic cruise to about Mach 1.15 so that there was just enough extra thrust left for me to maintain formation with Tiger Lead. I noticed my flight lead's F-111 was totally enveloped in a cloud of vapor from the supersonic shock waves with only the tip of his nose visible and then realized that I must look the same when flight lead looked at me!
We managed to reach about 25 miles from the NATO Fleet undetected, but we knew that at that range, hiding just above the ducting layer now would no longer keep us hidden and Fleet radars would soon spot our non-stealthy F-111's. I was doing my best at scanning the skies above and around us for "bandits" when I spotted an F-14A Tomcat roll inverted and do a split-S maneuver that arrived supersonic, co-altitude and co-speed with us.
I called out to my Flight Lead on the UHF Radio (not remembering we were now on the NATO Fleet common frequency for safety) and said: "Tiger Lead, Bandit, Deep 6 O'clock, co-altitude, 8,000 feet, stagnated." Then, a voice that was not my Tiger Lead's voice came up on the UHF Radio and said, "Stagnated, eh?"
At that point, I watched that Tomcat march up slowly to my left wingtip and we were looking each other eye-to-eye in fingertip formation. He then flipped me the fighter pilot greating ("the bird") then smartly saluted and pitched up and out to head back to the carrier. Don't tell me that a Tomcat cannot fly at Mach 1.2 on the deck with ordnance because I have witnessed it and it was VERY IMPRESSIVE!
We were also aware of a Soviet Trawler that was shadowing the NATO fleet while gathering intel. We happened to spot it, and Tiger Lead wing tagged me into close fighting wing formation and we both went to full afterburner and lowered ourselves to about 150 ft MSL and flew directly over that Soviet intel ship at Mach 1.2+ in full afterburners. I am sure we broke some glass and destroyed some surveillance antennas & equipment with that pass.
It was a day I can never forget and I can attest fully to what Charles Smith @softwarnet stated about the Tomcat being able to achieve Mach 1.2 (~910 MPH) as ABSOLUTELY true!
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