The Boring Company Tunnels: EVs Only

Gasoline and diesel vehicles produce a large sum of poisonous emissions from the tailpipe. Vehicles are confined in a small space as with the tunnels being built by Elon Musk’s “The Boring Company”, the amount of ventilation required to keep the air breathable would be a huge cost burden to the construction of small tunnels … Read more

Bragi The Dash Blood Oxygen Saturation Measurement (Pulse Oximeter Sensors)

December 2020 Update: Nearly 3 years later and Bragi still doesn’t seem to be interested in putting SPO2 sensors in their device, disappointing…   It seems, although The Dash sports “dual pulse oximeter sensors”, it currently is only capable of measuring heart rate with these sensors. Bragi has informed me that, although blood oxygen measurement … Read more

Better Key Rates – OSX

Set better keyboard repeat rates with the following commands in terminal. Before running the commands set your Key Repeat and Delay Until Repeat to the fastest options (System Preferences->Keyboard). #disable special characters when holding keys defaults write NSGlobalDomain ApplePressAndHoldEnabled -bool false # normal minimum is 15 (225 ms) defaults write -g InitialKeyRepeat -float 10.0 defaults … Read more

Change Mac Address of Network Cards in OSX

Give yourself a fresh mac address. Generate a random valid MAC: openssl rand -hex 6 | sed ‘s/\(..\)/\1:/g; s/.$//’ Set it: sudo ifconfig en0 ether 00:00:00:00:00:00 Obviously you’ll need to replace 00:00:00:00:00:00 with your generated mac address. Don’t mind the openssl error “unable to write ‘random state’”. It worked just fine.

View / Edit / Delete Amazon Browsing History

Amazon has changed the way you access your browsing history, removing it from the account menu. They’ve also changed methods of turning off browsing history. Tutorial on turning it off below. Click here to be directed to the Amazon browsing history page where you can turn off browsing history or delete specific items from your … Read more

ethminer help / run commands

Basic help runtime details from https://github.com/ethereum-mining/ethminer Example to mine with Nvida CUDA enabled: ethminer.exe -RH -U >ethminer.exe –help Usage ethminer [OPTIONS] Options: Work farming mode: -F,–farm Put into mining farm mode with the work server at URL (default: http://127.0.0.1:8545) -FF,-FO, –farm-failover, –stratum-failover Failover getwork/stratum URL (default: disabled) –farm-retries Number of retries until switch to failover … Read more

Crypto Mining with Google NVIDIA Tesla K80 / P100

Even with the 50% discounted preemptable instances now available in Google cloud, cryptocurrency (BTC, LTC, ETH, XMR, other) mining is simply not profitable. Despite the shady steemit article “Ethereum Mining with Google Cloud (Nvidia Tesla K80) actually works and is highly profitable”, no, Mining on these GPUs is simply not a profitable business. BCN mining … Read more