Already slim in design, the embedded sensor takes up half the space of its external brethren.
Click here to read Bob's blog.
Aero Icarus/Wikimedia Commons
The first transcontinental telegraph message is sent, Harry Houdini gives…
No email address was supplied by
To complete your registration on this site, please supply an address.
Please confirm or modify the email address to which you will have subscription offers sent.
For a more personalized experience, please supply the following optional information.