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1958 views	0 answers	What are beacons? What are their applications? updated 7 years ago by attemptnwin
1953 views	0 answers	What happens when we yawn? updated 7 years ago by attemptnwin
1949 views	0 answers	What is LIGO? Why is it important? updated 7 years ago by attemptnwin
1947 views	0 answers	Does a mirror reverse writings shown to the mirror? updated 7 years ago by attemptnwin
1945 views	0 answers	What are asteroids and planetoids? updated 5 years ago by attemptnwin