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Ethereum cryptocurrency delays emissions-slashing upgrade again
Ethereum is using almost as much electricity as Ecuador, according to a new analysis, and a long-awaited upgrade to slash its energy use has been delayed once again
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![NASA image of Troctolite 76535. NASA/Johnson Space Center photograph S73-19456. - [1] Troctolite sample 76535 brought back from the Moon by Apollo 17. This sample has a mass of 156 grams and is up to 5 centimeters across. It was collected as part of a rake sample at station 6 at the foot of the North Massif. Another view of this sample was used in Figure 7-16 of the Apollo 17 Preliminary Science Report (SP-330, 1973), which has the following caption: Coarse-grained norite (sample 76535) with fresh-appearing plagioclase (white to light gray) that has typical striations of albite twinning. Although pyroxenes (medium gray) are fractured along cleavage planes, they do not appear badly crushed.](/wp-content/uploads/2021/12/14153130/PRI_2150827671.jpg?w=300&h=225&crop=1)
