David Kindness is a Certified Public Accountant (CPA) and an expert in the fields of financial accounting, corporate and individual tax planning and preparation, and investing and retirement planning.
Acoustic frequency filters, which convert electrical signals into miniaturized sound waves, separate the different frequency ...
Researchers at RPTU create hybrid spin sound waves that could lead to adjustable 6G frequency filters and smarter microwave ...
A new study led by the Yunnan Observatories of the Chinese Academy of Sciences has detected quasi-periodic oscillation (QPO) signals in an unusual gamma-ray burst (GRB) event. The findings are ...