ᴘʟᴀɴ ғᴏʀ ʜᴜɢᴇ ʟᴀsᴇʀ ‘ᴛᴏ ᴀᴛᴛʀᴀᴄᴛ ᴇxᴛʀᴀᴛᴇʀʀᴇsᴛʀɪᴀʟs ᴛᴏ ᴇᴀʀᴛʜ’

Chưa phân loại

Stephen Hawking warned that messaging a̳l̳i̳e̳n̳s was a really terrible idea – similar to putting up a sign saying, ‘ATTACK HERE’.
​But scientists from MIT say that we could use existing laser technology to create a ‘beacon’ which could be seen by a̳l̳i̳e̳n̳s up to 20,000 light years away.

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