Day: August 21, 2021

Pint-sized sumo robot is adorable, accessible and totally awesome

We’ve seen plenty of impressive robots of all sizes here at Hackaday, but recently we were particularly inspired by [Hans Jørgen Grimstad] and his thrifty mini sumo build. Using the BBC micro:bit platform as a starting point, Hans seized the opportunity to build a competitive mini sumo bot without breaking the bank. According to his…


China pushes through data protection law that applies cross-border

Effective from November 1, the Personal Information Protection Law details laws around data collection, use, and storage, including requirements for foreign companies operating in China to appoint a local entity or representative responsible for its compliance. …read more Source:: ZDNet


iPhone accessories: Three of the best and most indispensable

Out of the thousands of iPhone accessories I’ve tested, there are three of the very best and most useful that I’ve tested. …read more Source:: ZDNet


Cuttlefish Remember the What, When, and Where of Meals — Even Into Old Age

According to a new paper published in the Proceedings of the Royal Society B, cuttlefish appear able to recall the time and place of their meals — and their capability doesn’t decrease as they get older. Ars Technica reports: This latest study focuses on whether cuttlefish have some form of episodic memory — the ability…


Occam’s Razor: Gardening Edition

While the impulse to solving problems in complex systems is often to grab a microcontroller and some sensors to automate the problem away, interfacing with the real world is often a lot more difficult than it appears. Measuring soil moisture, for example, seems like it would be an easy way of ensuring plants get the…


China To Launch Uncrewed Cargo Ship To Tiangong Station

China is preparing to launch an uncrewed cargo ship to its Tiangong “Heavenly palace” space station in preparation for the arrival of its second human crew this autumn. The Guardian reports: The Long March 7 rocket was delivered to the Wenchang space launch site in Hainan on 16 August, where it will undergo final assembly…


Traditional Analogue And An FPGA Make This Junkbox HF Receiver A Bit Special

We will have all at some point seen a fascinating project online, only to find not enough information to really appreciate and understand it. Such a project came [Bill Meara]’s way over at the SolderSmoke podcast, and he was fortunately able to glean more from its creator. What [Tom] had made from junkbox parts was…


India Approves World’s First DNA Covid Vaccine

An anonymous reader quotes a report from the BBC: India’s drug regulator has approved the world’s first DNA vaccine against Covid-19 for emergency use. The three-dose ZyCoV-D vaccine prevented symptomatic disease in 66% of those vaccinated, according to an interim study quoted by the vaccine maker Cadila Healthcare. The firm plans to make up to…


Google Says Geofence Warrants Make Up One-Quarter Of All US Demands

For the first time, Google has published the number of geofence warrants it’s historically received from U.S. authorities, providing a rare glimpse into how frequently these controversial warrants are issued. ZDNet’s Zack Whittaker reports: The figures, published Thursday, reveal that Google has received thousands of geofence warrants each quarter since 2018, and at times accounted…


Re-Engineering an RC Helicopter via Tinkercad

Radio control toys can be great fun to play with. However, at the bottom end of the market, sometimes you find you’ve bought something that just doesn’t work quite right. [saulemmetquinn] found that with a cheap RC helicopter, and set about re-engineering the design in Tinkercad. The entire frame of the original helicopter was discarded,…