Wormhole 'no use' for time travel

Wormhole 'no use' for time travelWormhole 'no use' for time travel External link

For budding time travellers, the future (or should that be the past?) is starting to look bleak. Hypothetical tunnels called wormholes once looked like the best bet for constructing a real time machine.

Tagscosmologytime travelwormhole
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