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Technology: Trial makes light of cable network
ByDANIELCLERYBritishTelecomannouncedthestartlastweekofamajortrialoftelecommunicationssystemswhichbringfibre-opticconnectionsintopeople’shomes.Thesystemsoffertelephoneandvideophoneservices<查看更多>
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2018-08-24

Cyborg tissue is half living cells, half electronics

ByWillFergusonTheybeatlikerealheartcells
2018-08-24

Earth was smashed by a rock the size of Mars to make the moon

NASA/JPL-CaltechByShannonHallAlittlerockcanpackamightypunch.TheobjectthatsmashedintoEarth4.5billionyearsagotocreatethemoonwasrelativelysmall –roughlyone-tenththemassofEarth