2025年7月27日 星期日

Germany builds a damless hydropower turbine that works in slow rivers德國打造無壩式水力渦輪機,可在緩流河中運行

 

德國打造無壩式水力渦輪機,可在緩流河中運行

德國新創公司 Aquaturbine 推出了一款革命性的水力發電機組,標誌著小型再生能源邁出了改變遊戲規則的一步。此發電機組無需水壩、高架或高速水流即可運作。該系統即使在流速緩慢的河流中也能發電,這對於離網和偏遠社區來說是一次重大飛躍。

這款攜帶式渦輪機採用仿生螺旋結構,模擬魚類逆流而上的遊動方式。螺旋葉片緩慢而穩定地旋轉,由水的自然運動驅動。它無需混凝土屏障或洪水,只需將其放置在流動的河流中即可。內部的磁化轉子和銅線圈系統將運動轉化為清潔電能。

一台體積不超過貨櫃的裝置可以持續為十幾戶家庭供電。與傳統的水力發電系統不同,這款渦輪機採用模組化設計,可擴展,並且不會破壞水生生態系統。它對魚類安全,對沉積物無害,並且可以在數小時內完成安裝。

德國的目標是將這些渦輪機部署到歐洲未充分利用的河流網絡中,尤其是在太陽能和風能利用率較低的地區。從亞馬遜河流域到非洲和東南亞部分地區,這些河流流速緩慢的國家最終可以在無需基礎設施成本的情況下獲得本地水力發電。

最棒的是?維修成本幾乎為零,渦輪機機身由防腐複合聚合物製成,設計使用壽命為水下25年以上。德國剛剛徹底改變了小型水力發電的運作方式。

Germany builds a damless hydropower turbine that works in slow rivers
In a game-changing step for small-scale renewable energy, German startup Aquaturbine has unveiled a revolutionary hydropower unit that works without dams, elevation, or high-speed flow. The system can generate electricity even in low-velocity rivers — a major leap forward for off-grid and remote communities.
This portable turbine works using a biomimetic spiral that replicates how fish swim upstream. The helical blades rotate slowly but consistently, driven by the natural movement of water. It doesn’t require concrete barriers or flooding — just placement in a flowing river. Inside, a magnetized rotor and copper coil system converts the motion into clean electricity.
One unit, no bigger than a shipping container, can power a dozen homes continuously. Unlike traditional hydropower systems, this one is modular, scalable, and doesn’t harm aquatic ecosystems. It’s fish-safe, sediment-friendly, and can be installed in hours.
Germany’s goal is to deploy these turbines across Europe’s underused river networks, especially where solar and wind are less viable. Countries with slow rivers — from the Amazon basin to parts of Africa and Southeast Asia — could finally have local hydropower without the infrastructure costs.
The best part? Maintenance is near-zero, and the turbine body is made from corrosion-proof composite polymers — designed to last 25+ years underwater. Germany has just transformed how small-scale hydropower works.

2025年7月21日 星期一

阿斯頓大學Aston University 僅使用光和一種經醫院批准的染料即可摧毀癌細胞,無需化療或放療。這些所謂的「分子風鎬」透過在近紅外光照射下以超高速振動來發揮作用,從內部粉碎癌細胞。

 阿斯頓大學Aston University 僅使用光和一種經醫院批准的染料即可摧毀癌細胞,無需化療或放療。這些所謂的「分子風鎬」透過在近紅外光照射下以超高速振動來發揮作用,從內部粉碎癌細胞。

研究人員開發出一種突破性的技術,僅使用光和一種經醫院批准的染料即可摧毀癌細胞,無需化療或放療。這些所謂的「分子風鎬」透過在近紅外光照射下以超高速振動來發揮作用,從內部粉碎癌細胞。

這種染料——氨基菁——常用於醫學成像——在光激活時會以每秒一兆次的速度振動。這種強烈的振動會破壞癌細胞膜,同時不會傷害健康細胞。在實驗室實驗中,99% 的人類黑色素瘤細胞被消滅;在小鼠實驗中,僅一次治療後,一半的腫瘤就消失了,其餘的腫瘤則顯著縮小。

這種方法的獨特之處在於它使用了近紅外光,這種光可以穿透人體內部 10 厘米,無需侵入性手術即可到達深層組織和器官。由於這種染料天然地靶向癌細胞,因此治療具有高度的針對性和精準性。

與傳統療法不同,癌細胞無法輕易抵抗物理破壞。由於該染料已獲得FDA批准用於臨床成像,這項創新有望快速進入人體試驗階段。

除了癌症之外,阿斯頓大學的另一項研究表明,一種「扭曲光」可以穿透皮膚和組織而不會發生扭曲。這或許能夠實現發炎、腫瘤甚至血糖變化的早期非侵入性檢測——這提供了一種無需手術或針頭的強大新型診斷工具。

Researchers have developed a groundbreaking technique that destroys cancer cells using only light and a hospital-approved dye—no need for chemotherapy or radiation. These so-called “molecular jackhammers” work by vibrating at ultra-high speeds when exposed to near-infrared light, shredding cancer cells from the inside.
The dye, aminocyanine—commonly used in medical imaging—vibrates at a trillion times per second when activated by light. This intense vibration ruptures cancer cell membranes while leaving healthy cells unharmed. In lab experiments, 99% of human melanoma cells were wiped out, and in mice, half of the tumors vanished after just one treatment while the rest significantly shrank.
What sets this approach apart is its use of near-infrared light, which can penetrate up to 10 centimeters into the body, reaching deep tissues and organs without invasive procedures. Since the dye naturally targets cancer cells, the treatment remains highly focused and precise.
Unlike conventional therapies, cancer cells can’t easily defend against physical destruction. And because the dye is already FDA-approved for clinical imaging, this innovation could fast-track into human trials.
Beyond cancer, another study from Aston University revealed that a type of “twisted light” can pass through skin and tissue without distortion. This could enable early, noninvasive detection of inflammation, tumors, or even changes in blood sugar—offering a powerful new diagnostic tool without surgery or needles.