Getting close to Earth's sun-hot core is key to scaling geothermal energy plants. But it's harder than it looks to dig miles into the ground.
| | Getting close to Earth's sun-hot core is key to scaling geothermal energy plants. But it's harder than it looks to dig miles into the ground. |
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| | Its mission? To become a supersonic, low-altitude penetrator capable of delivering a nuclear weapon to a target deep within the Soviet Union. |
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| This black hole is ten times as massive as the sun and is 1,600 light years away—three times closer than the previous record holder. |
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| Using a chip-based optical frequency comb, researchers transmitted almost double the global internet traffic in a single second. |
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| HIMARS strikes in Russia itself could escalate the war, so the U.S. government turned to geofencing technology. |
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| A short, blurry video shows dozens of sheep walking in a circle around something invisible. Look closely to find the probable explanation. |
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