TulipGarden9
International news - Thời Sự Quốc Tế
maandag 17 augustus 2026
Iceland — Engineers near Reykjavik have built an energy storage system that freezes and thaws massive blocks of ice using surplus renewable power, releasing stored cooling capacity to reduce grid strain during peak demand.
CHUYỆN VỀ SỮA ÔNG THỌ
zondag 16 augustus 2026
NASA just captured the exact moment a star was born: HH 30, about 450–480 light-years away, is a young stellar system surrounded by an edge-on disc of gas and dust.
zaterdag 15 augustus 2026
in South Holland — pipes hot water from a sandstone aquifer at 2,200 meters depth directly into greenhouse heating systems, replacing natural gas boilers that previously maintained growing temperatures.
A silo full of sand can now outlast the longest winter nights. In the town of Kankaanpää, Finland, the world's first commercial sand battery went online in 2022,
A silo full of sand can now outlast the longest winter nights. In the town of Kankaanpää, Finland, the world's first commercial sand battery went online in 2022, storing up to 8 megawatt-hours of thermal energy. The concept is beautifully simple: surplus solar or wind electricity heats air, which is piped through an insulated steel silo filled with ordinary construction sand. The sand reaches 500–600°C and stays hot for months with minimal loss. When needed, that heat is extracted for district heating or industrial processes. No lithium, no cobalt, no complex supply chains — just sand, steel, and insulation. This system costs a fraction of lithium-ion storage for long-duration thermal applications, and it can sit for weeks without degrading. Finland's long, dark winters made it the ideal proving ground, but the technology is now being explored globally for factories, greenhouses, and city-scale heating networks. In a world racing to electrify everything, sometimes the smartest battery is also the oldest material under our feet. #energyStorage #sandbattery #thermalstorage #renewableinnovation #cleanheat
NGƯỜI HÀ NỘI… KHÔNG GỌI NGƯỜI SÀI GÒN LÀ NGƯỜI “HỒ CHÍ MINH” !!!
vrijdag 14 augustus 2026
Starlink giá hơn 1,7 triệu đồng/tháng (tốc độ 400 Mbps) so với giá 1,6 triệu đồng VSAT-IP của VNPT (tốc độ 4 Mbps) cho tàu thuyền.