While there are many valuable coins out there, perhaps none carry as much significance in Canada's early history as this ...
Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...
Equipment: A 6' long plexiglass tube containing a "coin" and a "feather". The tube is sealed and can be evacuated. What it does: When the tube is evacuated, the "coin" and "feather" fall at the same ...
[describes an experiment in which Boyle contrived to drop a small cross made of four feathers in an evacuated container. This is presumably a fore runner of the coin and feather demonstration. Will ...