1105

Vaults and tunnels


Glue tissue paper tube, slightly larger in diameter than a pencil. Insert the pencil. Then carefully pour the sand tube with a pencil so that the ends of the tube were outside. Remove the pencil - and see that tube remained nesmyatoy. Grains of sand form a safety vaults. Insects trapped in the sand out from under a thick layer unharmed.
Experiments Experiments
Simple Science - digest experiments # 28
"Failed experiment on the set," or a new format clips
Simple Science - updated digest experiments # 27
Simple Science - digest experiments # 32
Simple Science - digest experiments # 34
Simple Science - digest experiments # 39
Project Mirror: The secret experiments of the USSR to create a portal to a parallel world
9 interesting thought experiments
10 most forbidden experiments
Simple Science - digest experiments # 30
...
Simple Science - digest experiments # 28
...
"Failed experiment on the set," or a new format clips
...
Simple Science - updated digest experiments # 27
...
Simple Science - digest experiments # 32
...
Simple Science - digest experiments # 34
...
Simple Science - digest experiments # 39
...
Project Mirror: The secret experiments of the USSR to create a portal to a parallel world
...
9 interesting thought experiments
...
10 most forbidden experiments
...
Simple Science - digest experiments # 30
 Absorption of water  All equally