Alekzendar Hums
Stories (52/0)
How Was Speed Of Light Measured
In 1849, Fizeau designed a device that displayed a light beam through a gear wheel on a rotating mirror in a fixed mirror position at a distance of 5.5 miles. By swiftly turning the wheel, he succeeded in directing the beam through the gap between the two teeth on the way there, capturing reflected beams from neighboring crevices.
By Alekzendar Hums3 years ago in FYI
Can A.I. Grade Your Next Test?
Since COVID-19 has led schools in the US to switch to online teaching and hybrid models, many have outsourced teaching and grading to virtual education platforms. Software vendors have come up with better ways to evaluate written answers and normal essays. As a result, textbooks have been digitized and new learning interfaces created to assist students with academic grades of all ages.
By Alekzendar Hums3 years ago in Futurism
How Does Airtag Work
When you come across a lost Airtag or someone comes across your lost Air Tag, they scan a smartphone equipped with NFC to display contact information. Once the Airtag is in lost mode, it transmits its location to the owner via the Find My Network. Since NFC works on both iPhone and Android devices, they scan the device to locate the owner when you find an item and give it to someone. Show Sources
By Alekzendar Hums3 years ago in 01
How The Einstein Theory Relativity Changed The Way We Think About Gravity?
The secret of gravity which is subject to Einstein's general theory of relativity was revealed in a series of papers submitted to the Prussian Academy in Berlin in November of a century ago.
By Alekzendar Hums3 years ago in FYI
In Which Theory Is Hydrogen Bomb Related
North Korea announced Sunday that it was conducting its sixth and most powerful nuclear test with what it called a sophisticated hydrogen bomb (H-bomb). Experts have not verified whether it was an H-bomb, but they agree it caused an explosion that surpassed previous tests. The characteristic mushroom cloud that initiated the formation of the first H bomb over the US Eniwetok atoll in the Pacific Ocean on November 6, 1952.
By Alekzendar Hums3 years ago in FYI
Why Is Semiconductors Useful In The Production Of Devices
Semiconductors are silicon materials and products that conduct electricity more like insulators like glass and less like pure conductors like copper and aluminum. Silicon is the most commonly used material in the production of semiconductors. Due to their unique electrical properties, semiconductors are often sued for the manufacture of electrical equipment.
By Alekzendar Hums3 years ago in 01
Whatsapp Has A Secure Fix For One Of Its Biggest Drawbacks
WhatsApp has end-to-end encryption capabilities to ensure that all your communications in the app, including messages and files, are considered to be "private" and only viewable by you and the recipient. Messages that are not delivered (e.g. To a recipient who is offline or not connected to Wi-Fi) are stored on WhatsApps servers and removed as soon as they are delivered. The company's end-to-end encryption strategy prevents anyone outside WhatsApp from seeing the content of your messages because it is not stored in the apps.
By Alekzendar Hums3 years ago in 01